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Cambodia's relations with China were based on mutual interests. Sihanouk hoped that China would restrain the Vietnamese and the Thai from acting to Cambodia's detriment. The Chinese, in turn, viewed Cambodia's nonalignment as vital in order to prevent the encirclement of their country by the United States and its allies. When Premier Zhou Enlai visited Phnom Penh in 1956, he asked the country's Chinese minority, numbering about 300,000, to cooperate in Cambodia's development, to stay out of politics, and to consider adopting Cambodian citizenship. This gesture helped to resolve a sensitive issue—the loyalty of Cambodian Chinese—that had troubled the relationship between Phnom Penh and Beijing. In 1960 the two countries signed a Treaty of Friendship and Nonaggression. After the Sino-Soviet rift Sihanouk's ardent friendship with China contributed to generally cooler ties with Moscow.

Cambodia's relations with China were based on mutual interests. Sihanouk hoped that China would restrain the Vietnamese and the Thai from acting to Cambodia's detriment. The Chinese, in turn, viewed Cambodia's nonalignment as vital in order to prevent the encirclement of their country by the United States and its allies. When Premier Zhou Enlai visited Phnom Penh in 1956, he asked the country's Chinese minority, numbering about 300,000, to cooperate in Cambodia's development, to stay out of politics, and to consider adopting Cambodian citizenship. This gesture helped to resolve a sensitive issue—the loyalty of Cambodian Chinese—that had troubled the relationship between Phnom Penh and Beijing. In 1960 the two countries signed a Treaty of Friendship and Nonaggression. After the Sino-Soviet rift Sihanouk's ardent friendship with China contributed to generally cooler ties with Moscow.

Cambodia's relations with China were based on mutual interests. Sihanouk hoped that China would restrain the Vietnamese and the Thai from acting to Cambodia's detriment. The Chinese, in turn, viewed Cambodia's nonalignment as vital in order to prevent the encirclement of their country by the United States and its allies. When Premier Zhou Enlai visited Phnom Penh in 1956, he asked the country's Chinese minority, numbering about 300,000, to cooperate in Cambodia's development, to stay out of politics, and to consider adopting Cambodian citizenship. This gesture helped to resolve a sensitive issue—the loyalty of Cambodian Chinese—that had troubled the relationship between Phnom Penh and Beijing. In 1960 the two countries signed a Treaty of Friendship and Nonaggression. After the Sino-Soviet rift Sihanouk's ardent friendship with China contributed to generally cooler ties with Moscow.

Cambodia's relations with China were based on mutual interests. Sihanouk hoped that China would restrain the Vietnamese and the Thai from acting to Cambodia's detriment. The Chinese, in turn, viewed Cambodia's nonalignment as vital in order to prevent the encirclement of their country by the United States and its allies. When Premier Zhou Enlai visited Phnom Penh in 1956, he asked the country's Chinese minority, numbering about 300,000, to cooperate in Cambodia's development, to stay out of politics, and to consider adopting Cambodian citizenship. This gesture helped to resolve a sensitive issue—the loyalty of Cambodian Chinese—that had troubled the relationship between Phnom Penh and Beijing. In 1960 the two countries signed a Treaty of Friendship and Nonaggression. After the Sino-Soviet rift Sihanouk's ardent friendship with China contributed to generally cooler ties with Moscow.

China was not the only large power to which Sihanouk looked for patronage, however. Cambodia's quest for security and nation-building assistance impelled the prince to search beyond Asia and to accept help from all donors as long as there was no impingement upon his country's sovereignty. With this end in mind, Sihanouk turned to the United States in 1955 and negotiated a military aid agreement that secured funds and equipment for the Royal Khmer Armed Forces (Forces Armées Royales Khmères—FARK). A United States Military Assistance Advisory Group (MAAG) was established in Phnom Penh to supervise the delivery and the use of equipment that began to arrive from the United States. By the early 1960s, aid from Washington constituted 30% of Cambodia's defense budget and 14% of total budget inflows (First Indochina War).

China was not the only large power to which Sihanouk looked for patronage, however. Cambodia's quest for security and nation-building assistance impelled the prince to search beyond Asia and to accept help from all donors as long as there was no impingement upon his country's sovereignty. With this end in mind, Sihanouk turned to the United States in 1955 and negotiated a military aid agreement that secured funds and equipment for the Royal Khmer Armed Forces (Forces Armées Royales Khmères—FARK). A United States Military Assistance Advisory Group (MAAG) was established in Phnom Penh to supervise the delivery and the use of equipment that began to arrive from the United States. By the early 1960s, aid from Washington constituted 30% of Cambodia's defense budget and 14% of total budget inflows (First Indochina War).

China was not the only large power to which Sihanouk looked for patronage, however. Cambodia's quest for security and nation-building assistance impelled the prince to search beyond Asia and to accept help from all donors as long as there was no impingement upon his country's sovereignty. With this end in mind, Sihanouk turned to the United States in 1955 and negotiated a military aid agreement that secured funds and equipment for the Royal Khmer Armed Forces (Forces Armées Royales Khmères—FARK). A United States Military Assistance Advisory Group (MAAG) was established in Phnom Penh to supervise the delivery and the use of equipment that began to arrive from the United States. By the early 1960s, aid from Washington constituted 30% of Cambodia's defense budget and 14% of total budget inflows (First Indochina War).

China was not the only large power to which Sihanouk looked for patronage, however. Cambodia's quest for security and nation-building assistance impelled the prince to search beyond Asia and to accept help from all donors as long as there was no impingement upon his country's sovereignty. With this end in mind, Sihanouk turned to the United States in 1955 and negotiated a military aid agreement that secured funds and equipment for the Royal Khmer Armed Forces (Forces Armées Royales Khmères—FARK). A United States Military Assistance Advisory Group (MAAG) was established in Phnom Penh to supervise the delivery and the use of equipment that began to arrive from the United States. By the early 1960s, aid from Washington constituted 30% of Cambodia's defense budget and 14% of total budget inflows (First Indochina War).

China was not the only large power to which Sihanouk looked for patronage, however. Cambodia's quest for security and nation-building assistance impelled the prince to search beyond Asia and to accept help from all donors as long as there was no impingement upon his country's sovereignty. With this end in mind, Sihanouk turned to the United States in 1955 and negotiated a military aid agreement that secured funds and equipment for the Royal Khmer Armed Forces (Forces Armées Royales Khmères—FARK). A United States Military Assistance Advisory Group (MAAG) was established in Phnom Penh to supervise the delivery and the use of equipment that began to arrive from the United States. By the early 1960s, aid from Washington constituted 30% of Cambodia's defense budget and 14% of total budget inflows (First Indochina War).

China was not the only large power to which Sihanouk looked for patronage, however. Cambodia's quest for security and nation-building assistance impelled the prince to search beyond Asia and to accept help from all donors as long as there was no impingement upon his country's sovereignty. With this end in mind, Sihanouk turned to the United States in 1955 and negotiated a military aid agreement that secured funds and equipment for the Royal Khmer Armed Forces (Forces Armées Royales Khmères—FARK). A United States Military Assistance Advisory Group (MAAG) was established in Phnom Penh to supervise the delivery and the use of equipment that began to arrive from the United States. By the early 1960s, aid from Washington constituted 30% of Cambodia's defense budget and 14% of total budget inflows (First Indochina War).

One of these developments was the growing United States influence within the Cambodian armed forces. The processing of equipment deliveries and the training of Cambodian personnel had forged close ties between United States military advisers and their Cambodian counterparts. Military officers of both nations also shared apprehensions about the spread of communism in Southeast Asia. Sihanouk considered FARK to be Washington's most powerful constituency in his country. The prince also feared that a number of high-ranking, rightist FARK officers led by Lon Nol were becoming too powerful and that, by association with these officers, United States influence in Cambodia was becoming too deeply rooted.

One of these developments was the growing United States influence within the Cambodian armed forces. The processing of equipment deliveries and the training of Cambodian personnel had forged close ties between United States military advisers and their Cambodian counterparts. Military officers of both nations also shared apprehensions about the spread of communism in Southeast Asia. Sihanouk considered FARK to be Washington's most powerful constituency in his country. The prince also feared that a number of high-ranking, rightist FARK officers led by Lon Nol were becoming too powerful and that, by association with these officers, United States influence in Cambodia was becoming too deeply rooted.

One of these developments was the growing United States influence within the Cambodian armed forces. The processing of equipment deliveries and the training of Cambodian personnel had forged close ties between United States military advisers and their Cambodian counterparts. Military officers of both nations also shared apprehensions about the spread of communism in Southeast Asia. Sihanouk considered FARK to be Washington's most powerful constituency in his country. The prince also feared that a number of high-ranking, rightist FARK officers led by Lon Nol were becoming too powerful and that, by association with these officers, United States influence in Cambodia was becoming too deeply rooted.

One of these developments was the growing United States influence within the Cambodian armed forces. The processing of equipment deliveries and the training of Cambodian personnel had forged close ties between United States military advisers and their Cambodian counterparts. Military officers of both nations also shared apprehensions about the spread of communism in Southeast Asia. Sihanouk considered FARK to be Washington's most powerful constituency in his country. The prince also feared that a number of high-ranking, rightist FARK officers led by Lon Nol were becoming too powerful and that, by association with these officers, United States influence in Cambodia was becoming too deeply rooted.

One of these developments was the growing United States influence within the Cambodian armed forces. The processing of equipment deliveries and the training of Cambodian personnel had forged close ties between United States military advisers and their Cambodian counterparts. Military officers of both nations also shared apprehensions about the spread of communism in Southeast Asia. Sihanouk considered FARK to be Washington's most powerful constituency in his country. The prince also feared that a number of high-ranking, rightist FARK officers led by Lon Nol were becoming too powerful and that, by association with these officers, United States influence in Cambodia was becoming too deeply rooted.

One of these developments was the growing United States influence within the Cambodian armed forces. The processing of equipment deliveries and the training of Cambodian personnel had forged close ties between United States military advisers and their Cambodian counterparts. Military officers of both nations also shared apprehensions about the spread of communism in Southeast Asia. Sihanouk considered FARK to be Washington's most powerful constituency in his country. The prince also feared that a number of high-ranking, rightist FARK officers led by Lon Nol were becoming too powerful and that, by association with these officers, United States influence in Cambodia was becoming too deeply rooted.

A third development was Sihanouk's own belief that he had been targeted by United States intelligence agencies for replacement by a more pro-Western leader. Evidence to support this suspicion came to light in 1959 when the government discovered a plot to overthrow Sihanouk. The conspiracy, often known as the "Bangkok Plot", involved several Khmer leaders suspected of American connections. Among them were Sam Sary, a leader of right-wing Khmer Serei troops in South Vietnam; Son Ngoc Thanh, the early nationalist leader once exiled into Thailand; and Dap Chhuon, the military governor of Siem Reap Province. Another alleged plot involved Dap Chuon's establishment of a "free" state that would have included Siem Reap Province and Kampong Thum (Kampong Thom) Province and the southern areas of Laos that were controlled by the rightist Laotian prince, Boun Oum.

A third development was Sihanouk's own belief that he had been targeted by United States intelligence agencies for replacement by a more pro-Western leader. Evidence to support this suspicion came to light in 1959 when the government discovered a plot to overthrow Sihanouk. The conspiracy, often known as the "Bangkok Plot", involved several Khmer leaders suspected of American connections. Among them were Sam Sary, a leader of right-wing Khmer Serei troops in South Vietnam; Son Ngoc Thanh, the early nationalist leader once exiled into Thailand; and Dap Chhuon, the military governor of Siem Reap Province. Another alleged plot involved Dap Chuon's establishment of a "free" state that would have included Siem Reap Province and Kampong Thum (Kampong Thom) Province and the southern areas of Laos that were controlled by the rightist Laotian prince, Boun Oum.

A third development was Sihanouk's own belief that he had been targeted by United States intelligence agencies for replacement by a more pro-Western leader. Evidence to support this suspicion came to light in 1959 when the government discovered a plot to overthrow Sihanouk. The conspiracy, often known as the "Bangkok Plot", involved several Khmer leaders suspected of American connections. Among them were Sam Sary, a leader of right-wing Khmer Serei troops in South Vietnam; Son Ngoc Thanh, the early nationalist leader once exiled into Thailand; and Dap Chhuon, the military governor of Siem Reap Province. Another alleged plot involved Dap Chuon's establishment of a "free" state that would have included Siem Reap Province and Kampong Thum (Kampong Thom) Province and the southern areas of Laos that were controlled by the rightist Laotian prince, Boun Oum.

A third development was Sihanouk's own belief that he had been targeted by United States intelligence agencies for replacement by a more pro-Western leader. Evidence to support this suspicion came to light in 1959 when the government discovered a plot to overthrow Sihanouk. The conspiracy, often known as the "Bangkok Plot", involved several Khmer leaders suspected of American connections. Among them were Sam Sary, a leader of right-wing Khmer Serei troops in South Vietnam; Son Ngoc Thanh, the early nationalist leader once exiled into Thailand; and Dap Chhuon, the military governor of Siem Reap Province. Another alleged plot involved Dap Chuon's establishment of a "free" state that would have included Siem Reap Province and Kampong Thum (Kampong Thom) Province and the southern areas of Laos that were controlled by the rightist Laotian prince, Boun Oum.

A third development was Sihanouk's own belief that he had been targeted by United States intelligence agencies for replacement by a more pro-Western leader. Evidence to support this suspicion came to light in 1959 when the government discovered a plot to overthrow Sihanouk. The conspiracy, often known as the "Bangkok Plot", involved several Khmer leaders suspected of American connections. Among them were Sam Sary, a leader of right-wing Khmer Serei troops in South Vietnam; Son Ngoc Thanh, the early nationalist leader once exiled into Thailand; and Dap Chhuon, the military governor of Siem Reap Province. Another alleged plot involved Dap Chuon's establishment of a "free" state that would have included Siem Reap Province and Kampong Thum (Kampong Thom) Province and the southern areas of Laos that were controlled by the rightist Laotian prince, Boun Oum.

A third development was Sihanouk's own belief that he had been targeted by United States intelligence agencies for replacement by a more pro-Western leader. Evidence to support this suspicion came to light in 1959 when the government discovered a plot to overthrow Sihanouk. The conspiracy, often known as the "Bangkok Plot", involved several Khmer leaders suspected of American connections. Among them were Sam Sary, a leader of right-wing Khmer Serei troops in South Vietnam; Son Ngoc Thanh, the early nationalist leader once exiled into Thailand; and Dap Chhuon, the military governor of Siem Reap Province. Another alleged plot involved Dap Chuon's establishment of a "free" state that would have included Siem Reap Province and Kampong Thum (Kampong Thom) Province and the southern areas of Laos that were controlled by the rightist Laotian prince, Boun Oum.

These developments, magnified by Sihanouk's abiding suspicions, eventually undermined Phnom Penh's relations with Washington. In November 1963, the prince charged that the United States was continuing to support the subversive activities of the Khmer Serei in Thailand and in South Vietnam, and he announced the immediate termination of Washington's aid program to Cambodia. Relations continued to deteriorate, and the final break came in May 1965 amid increasing indications of airspace violations by South Vietnamese and by United States aircraft and of ground fighting between Army of the Republic of Vietnam (ARVN) troops and Viet Cong insurgents in the Cambodian border areas.

These developments, magnified by Sihanouk's abiding suspicions, eventually undermined Phnom Penh's relations with Washington. In November 1963, the prince charged that the United States was continuing to support the subversive activities of the Khmer Serei in Thailand and in South Vietnam, and he announced the immediate termination of Washington's aid program to Cambodia. Relations continued to deteriorate, and the final break came in May 1965 amid increasing indications of airspace violations by South Vietnamese and by United States aircraft and of ground fighting between Army of the Republic of Vietnam (ARVN) troops and Viet Cong insurgents in the Cambodian border areas.

These developments, magnified by Sihanouk's abiding suspicions, eventually undermined Phnom Penh's relations with Washington. In November 1963, the prince charged that the United States was continuing to support the subversive activities of the Khmer Serei in Thailand and in South Vietnam, and he announced the immediate termination of Washington's aid program to Cambodia. Relations continued to deteriorate, and the final break came in May 1965 amid increasing indications of airspace violations by South Vietnamese and by United States aircraft and of ground fighting between Army of the Republic of Vietnam (ARVN) troops and Viet Cong insurgents in the Cambodian border areas.

These developments, magnified by Sihanouk's abiding suspicions, eventually undermined Phnom Penh's relations with Washington. In November 1963, the prince charged that the United States was continuing to support the subversive activities of the Khmer Serei in Thailand and in South Vietnam, and he announced the immediate termination of Washington's aid program to Cambodia. Relations continued to deteriorate, and the final break came in May 1965 amid increasing indications of airspace violations by South Vietnamese and by United States aircraft and of ground fighting between Army of the Republic of Vietnam (ARVN) troops and Viet Cong insurgents in the Cambodian border areas.

These developments, magnified by Sihanouk's abiding suspicions, eventually undermined Phnom Penh's relations with Washington. In November 1963, the prince charged that the United States was continuing to support the subversive activities of the Khmer Serei in Thailand and in South Vietnam, and he announced the immediate termination of Washington's aid program to Cambodia. Relations continued to deteriorate, and the final break came in May 1965 amid increasing indications of airspace violations by South Vietnamese and by United States aircraft and of ground fighting between Army of the Republic of Vietnam (ARVN) troops and Viet Cong insurgents in the Cambodian border areas.

These developments, magnified by Sihanouk's abiding suspicions, eventually undermined Phnom Penh's relations with Washington. In November 1963, the prince charged that the United States was continuing to support the subversive activities of the Khmer Serei in Thailand and in South Vietnam, and he announced the immediate termination of Washington's aid program to Cambodia. Relations continued to deteriorate, and the final break came in May 1965 amid increasing indications of airspace violations by South Vietnamese and by United States aircraft and of ground fighting between Army of the Republic of Vietnam (ARVN) troops and Viet Cong insurgents in the Cambodian border areas.

In the meantime, Cambodia's relations with North Vietnam and with South Vietnam, as well as the rupture with Washington, reflected Sihanouk's efforts to adjust to geopolitical realities in Southeast Asia and to keep his country out of the escalating war in neighboring South Vietnam. In the early-to-mid-1960s, this effort required a tilt toward Hanoi because the government in Saigon tottered on the brink of anarchy. In the cities, the administration of Ngo Dinh Diem and the military regimes that succeeded it had become increasingly ineffectual and unstable, while in the countryside the government forces were steadily losing ground to the Hanoi-backed insurgents.

In the meantime, Cambodia's relations with North Vietnam and with South Vietnam, as well as the rupture with Washington, reflected Sihanouk's efforts to adjust to geopolitical realities in Southeast Asia and to keep his country out of the escalating war in neighboring South Vietnam. In the early-to-mid-1960s, this effort required a tilt toward Hanoi because the government in Saigon tottered on the brink of anarchy. In the cities, the administration of Ngo Dinh Diem and the military regimes that succeeded it had become increasingly ineffectual and unstable, while in the countryside the government forces were steadily losing ground to the Hanoi-backed insurgents.

In the meantime, Cambodia's relations with North Vietnam and with South Vietnam, as well as the rupture with Washington, reflected Sihanouk's efforts to adjust to geopolitical realities in Southeast Asia and to keep his country out of the escalating war in neighboring South Vietnam. In the early-to-mid-1960s, this effort required a tilt toward Hanoi because the government in Saigon tottered on the brink of anarchy. In the cities, the administration of Ngo Dinh Diem and the military regimes that succeeded it had become increasingly ineffectual and unstable, while in the countryside the government forces were steadily losing ground to the Hanoi-backed insurgents.

In the meantime, Cambodia's relations with North Vietnam and with South Vietnam, as well as the rupture with Washington, reflected Sihanouk's efforts to adjust to geopolitical realities in Southeast Asia and to keep his country out of the escalating war in neighboring South Vietnam. In the early-to-mid-1960s, this effort required a tilt toward Hanoi because the government in Saigon tottered on the brink of anarchy. In the cities, the administration of Ngo Dinh Diem and the military regimes that succeeded it had become increasingly ineffectual and unstable, while in the countryside the government forces were steadily losing ground to the Hanoi-backed insurgents.

In the meantime, Cambodia's relations with North Vietnam and with South Vietnam, as well as the rupture with Washington, reflected Sihanouk's efforts to adjust to geopolitical realities in Southeast Asia and to keep his country out of the escalating war in neighboring South Vietnam. In the early-to-mid-1960s, this effort required a tilt toward Hanoi because the government in Saigon tottered on the brink of anarchy. In the cities, the administration of Ngo Dinh Diem and the military regimes that succeeded it had become increasingly ineffectual and unstable, while in the countryside the government forces were steadily losing ground to the Hanoi-backed insurgents.

In the meantime, Cambodia's relations with North Vietnam and with South Vietnam, as well as the rupture with Washington, reflected Sihanouk's efforts to adjust to geopolitical realities in Southeast Asia and to keep his country out of the escalating war in neighboring South Vietnam. In the early-to-mid-1960s, this effort required a tilt toward Hanoi because the government in Saigon tottered on the brink of anarchy. In the cities, the administration of Ngo Dinh Diem and the military regimes that succeeded it had become increasingly ineffectual and unstable, while in the countryside the government forces were steadily losing ground to the Hanoi-backed insurgents.

To observers in Phnom Penh, South Vietnam's short-term viability was seriously in doubt, and this compelled a new tack in Cambodian foreign policy. First, Cambodia severed diplomatic ties with Saigon in August 1963. The following March, Sihanouk announced plans to establish diplomatic relations with North Vietnam and to negotiate a border settlement directly with Hanoi. These plans were not implemented quickly, however, because the North Vietnamese told the prince that any problem concerning Cambodia's border with South Vietnam would have to be negotiated directly with the National Front for the Liberation of South Vietnam (NFLSVN). Cambodia opened border talks with the front in mid-1966, and the latter recognized the inviolability of Cambodia's borders a year later. North Vietnam quickly followed suit. Cambodia was the first foreign government to recognize the NFLSVN's Provisional Revolutionary Government after it was established in June 1969. Sihanouk was the only foreign head of state to attend the funeral of Ho Chi Minh, North Vietnam's deceased leader, in Hanoi three months later.

To observers in Phnom Penh, South Vietnam's short-term viability was seriously in doubt, and this compelled a new tack in Cambodian foreign policy. First, Cambodia severed diplomatic ties with Saigon in August 1963. The following March, Sihanouk announced plans to establish diplomatic relations with North Vietnam and to negotiate a border settlement directly with Hanoi. These plans were not implemented quickly, however, because the North Vietnamese told the prince that any problem concerning Cambodia's border with South Vietnam would have to be negotiated directly with the National Front for the Liberation of South Vietnam (NFLSVN). Cambodia opened border talks with the front in mid-1966, and the latter recognized the inviolability of Cambodia's borders a year later. North Vietnam quickly followed suit. Cambodia was the first foreign government to recognize the NFLSVN's Provisional Revolutionary Government after it was established in June 1969. Sihanouk was the only foreign head of state to attend the funeral of Ho Chi Minh, North Vietnam's deceased leader, in Hanoi three months later.

To observers in Phnom Penh, South Vietnam's short-term viability was seriously in doubt, and this compelled a new tack in Cambodian foreign policy. First, Cambodia severed diplomatic ties with Saigon in August 1963. The following March, Sihanouk announced plans to establish diplomatic relations with North Vietnam and to negotiate a border settlement directly with Hanoi. These plans were not implemented quickly, however, because the North Vietnamese told the prince that any problem concerning Cambodia's border with South Vietnam would have to be negotiated directly with the National Front for the Liberation of South Vietnam (NFLSVN). Cambodia opened border talks with the front in mid-1966, and the latter recognized the inviolability of Cambodia's borders a year later. North Vietnam quickly followed suit. Cambodia was the first foreign government to recognize the NFLSVN's Provisional Revolutionary Government after it was established in June 1969. Sihanouk was the only foreign head of state to attend the funeral of Ho Chi Minh, North Vietnam's deceased leader, in Hanoi three months later.

To observers in Phnom Penh, South Vietnam's short-term viability was seriously in doubt, and this compelled a new tack in Cambodian foreign policy. First, Cambodia severed diplomatic ties with Saigon in August 1963. The following March, Sihanouk announced plans to establish diplomatic relations with North Vietnam and to negotiate a border settlement directly with Hanoi. These plans were not implemented quickly, however, because the North Vietnamese told the prince that any problem concerning Cambodia's border with South Vietnam would have to be negotiated directly with the National Front for the Liberation of South Vietnam (NFLSVN). Cambodia opened border talks with the front in mid-1966, and the latter recognized the inviolability of Cambodia's borders a year later. North Vietnam quickly followed suit. Cambodia was the first foreign government to recognize the NFLSVN's Provisional Revolutionary Government after it was established in June 1969. Sihanouk was the only foreign head of state to attend the funeral of Ho Chi Minh, North Vietnam's deceased leader, in Hanoi three months later.

To observers in Phnom Penh, South Vietnam's short-term viability was seriously in doubt, and this compelled a new tack in Cambodian foreign policy. First, Cambodia severed diplomatic ties with Saigon in August 1963. The following March, Sihanouk announced plans to establish diplomatic relations with North Vietnam and to negotiate a border settlement directly with Hanoi. These plans were not implemented quickly, however, because the North Vietnamese told the prince that any problem concerning Cambodia's border with South Vietnam would have to be negotiated directly with the National Front for the Liberation of South Vietnam (NFLSVN). Cambodia opened border talks with the front in mid-1966, and the latter recognized the inviolability of Cambodia's borders a year later. North Vietnam quickly followed suit. Cambodia was the first foreign government to recognize the NFLSVN's Provisional Revolutionary Government after it was established in June 1969. Sihanouk was the only foreign head of state to attend the funeral of Ho Chi Minh, North Vietnam's deceased leader, in Hanoi three months later.

To observers in Phnom Penh, South Vietnam's short-term viability was seriously in doubt, and this compelled a new tack in Cambodian foreign policy. First, Cambodia severed diplomatic ties with Saigon in August 1963. The following March, Sihanouk announced plans to establish diplomatic relations with North Vietnam and to negotiate a border settlement directly with Hanoi. These plans were not implemented quickly, however, because the North Vietnamese told the prince that any problem concerning Cambodia's border with South Vietnam would have to be negotiated directly with the National Front for the Liberation of South Vietnam (NFLSVN). Cambodia opened border talks with the front in mid-1966, and the latter recognized the inviolability of Cambodia's borders a year later. North Vietnam quickly followed suit. Cambodia was the first foreign government to recognize the NFLSVN's Provisional Revolutionary Government after it was established in June 1969. Sihanouk was the only foreign head of state to attend the funeral of Ho Chi Minh, North Vietnam's deceased leader, in Hanoi three months later.

In 1965, Sihanouk negotiated a deal with China and North Vietnam. Whereas before Viet Cong and North Vietnamese forces had temporarily moved into Cambodian territory, the deal allowed them to build permanent military facilities on Cambodian soil. Cambodia also opened its ports to shipments of military supplies from China and the Soviet Union to the Vietnamese. In exchange for these concessions, large amounts of money passed into the hands of the Cambodian elite. In particular, deals were made where China would purchase rice at inflated prices from the Cambodian government. While Sihanouk talked neutrality in public, he had effectively pushed Cambodia directly into the Vietnam War.

In 1965, Sihanouk negotiated a deal with China and North Vietnam. Whereas before Viet Cong and North Vietnamese forces had temporarily moved into Cambodian territory, the deal allowed them to build permanent military facilities on Cambodian soil. Cambodia also opened its ports to shipments of military supplies from China and the Soviet Union to the Vietnamese. In exchange for these concessions, large amounts of money passed into the hands of the Cambodian elite. In particular, deals were made where China would purchase rice at inflated prices from the Cambodian government. While Sihanouk talked neutrality in public, he had effectively pushed Cambodia directly into the Vietnam War.

In 1965, Sihanouk negotiated a deal with China and North Vietnam. Whereas before Viet Cong and North Vietnamese forces had temporarily moved into Cambodian territory, the deal allowed them to build permanent military facilities on Cambodian soil. Cambodia also opened its ports to shipments of military supplies from China and the Soviet Union to the Vietnamese. In exchange for these concessions, large amounts of money passed into the hands of the Cambodian elite. In particular, deals were made where China would purchase rice at inflated prices from the Cambodian government. While Sihanouk talked neutrality in public, he had effectively pushed Cambodia directly into the Vietnam War.

In 1965, Sihanouk negotiated a deal with China and North Vietnam. Whereas before Viet Cong and North Vietnamese forces had temporarily moved into Cambodian territory, the deal allowed them to build permanent military facilities on Cambodian soil. Cambodia also opened its ports to shipments of military supplies from China and the Soviet Union to the Vietnamese. In exchange for these concessions, large amounts of money passed into the hands of the Cambodian elite. In particular, deals were made where China would purchase rice at inflated prices from the Cambodian government. While Sihanouk talked neutrality in public, he had effectively pushed Cambodia directly into the Vietnam War.

In 1965, Sihanouk negotiated a deal with China and North Vietnam. Whereas before Viet Cong and North Vietnamese forces had temporarily moved into Cambodian territory, the deal allowed them to build permanent military facilities on Cambodian soil. Cambodia also opened its ports to shipments of military supplies from China and the Soviet Union to the Vietnamese. In exchange for these concessions, large amounts of money passed into the hands of the Cambodian elite. In particular, deals were made where China would purchase rice at inflated prices from the Cambodian government. While Sihanouk talked neutrality in public, he had effectively pushed Cambodia directly into the Vietnam War.

In 1965, Sihanouk negotiated a deal with China and North Vietnam. Whereas before Viet Cong and North Vietnamese forces had temporarily moved into Cambodian territory, the deal allowed them to build permanent military facilities on Cambodian soil. Cambodia also opened its ports to shipments of military supplies from China and the Soviet Union to the Vietnamese. In exchange for these concessions, large amounts of money passed into the hands of the Cambodian elite. In particular, deals were made where China would purchase rice at inflated prices from the Cambodian government. While Sihanouk talked neutrality in public, he had effectively pushed Cambodia directly into the Vietnam War.

In the late 1960s, while preserving relations with China and with North Vietnam, Sihanouk sought to restore a measure of equilibrium by improving Cambodia's ties with the West. This shift in course by the prince represented another adjustment to prevailing conditions in Asia. The Cultural Revolution had made the Chinese very difficult with which to carry on relations. The increasing North Vietnamese presence in Eastern Cambodia was destabilizing Cambodia politically and economically. When the Cambodian left went underground in the late 1960s, Sihanouk made concessions to the right since he did not have any force that he could play against them. Cambodia served as the southern terminus of the Ho Chi Minh Trail, the logistical resupply route of the North Vietnamese and Viet Cong. The use by these forces of sanctuaries in Cambodia put Cambodian was neutrality in jeopardy. China, preoccupied with its Cultural Revolution, did not intercede with Hanoi. On Cambodia's eastern border, even in the face of the communist Tet Offensive in 1968, South Vietnam surprisingly had not collapsed and President Nguyễn Văn Thiệu's government was bringing a measure of stability to that war-ravaged country. As the government in Phnom Penh began to feel keenly the loss of economic and military aid from the United States, which had totaled about US$400 million between 1955 and 1963, it began to have second thoughts about the break with Washington. The unavailability of American equipment and spare parts were exacerbated by the small amount and poor quality of Soviet, Chinese, and French substitutes.

In the late 1960s, while preserving relations with China and with North Vietnam, Sihanouk sought to restore a measure of equilibrium by improving Cambodia's ties with the West. This shift in course by the prince represented another adjustment to prevailing conditions in Asia. The Cultural Revolution had made the Chinese very difficult with which to carry on relations. The increasing North Vietnamese presence in Eastern Cambodia was destabilizing Cambodia politically and economically. When the Cambodian left went underground in the late 1960s, Sihanouk made concessions to the right since he did not have any force that he could play against them. Cambodia served as the southern terminus of the Ho Chi Minh Trail, the logistical resupply route of the North Vietnamese and Viet Cong. The use by these forces of sanctuaries in Cambodia put Cambodian was neutrality in jeopardy. China, preoccupied with its Cultural Revolution, did not intercede with Hanoi. On Cambodia's eastern border, even in the face of the communist Tet Offensive in 1968, South Vietnam surprisingly had not collapsed and President Nguyễn Văn Thiệu's government was bringing a measure of stability to that war-ravaged country. As the government in Phnom Penh began to feel keenly the loss of economic and military aid from the United States, which had totaled about US$400 million between 1955 and 1963, it began to have second thoughts about the break with Washington. The unavailability of American equipment and spare parts were exacerbated by the small amount and poor quality of Soviet, Chinese, and French substitutes.

In the late 1960s, while preserving relations with China and with North Vietnam, Sihanouk sought to restore a measure of equilibrium by improving Cambodia's ties with the West. This shift in course by the prince represented another adjustment to prevailing conditions in Asia. The Cultural Revolution had made the Chinese very difficult with which to carry on relations. The increasing North Vietnamese presence in Eastern Cambodia was destabilizing Cambodia politically and economically. When the Cambodian left went underground in the late 1960s, Sihanouk made concessions to the right since he did not have any force that he could play against them. Cambodia served as the southern terminus of the Ho Chi Minh Trail, the logistical resupply route of the North Vietnamese and Viet Cong. The use by these forces of sanctuaries in Cambodia put Cambodian was neutrality in jeopardy. China, preoccupied with its Cultural Revolution, did not intercede with Hanoi. On Cambodia's eastern border, even in the face of the communist Tet Offensive in 1968, South Vietnam surprisingly had not collapsed and President Nguyễn Văn Thiệu's government was bringing a measure of stability to that war-ravaged country. As the government in Phnom Penh began to feel keenly the loss of economic and military aid from the United States, which had totaled about US$400 million between 1955 and 1963, it began to have second thoughts about the break with Washington. The unavailability of American equipment and spare parts were exacerbated by the small amount and poor quality of Soviet, Chinese, and French substitutes.

In the late 1960s, while preserving relations with China and with North Vietnam, Sihanouk sought to restore a measure of equilibrium by improving Cambodia's ties with the West. This shift in course by the prince represented another adjustment to prevailing conditions in Asia. The Cultural Revolution had made the Chinese very difficult with which to carry on relations. The increasing North Vietnamese presence in Eastern Cambodia was destabilizing Cambodia politically and economically. When the Cambodian left went underground in the late 1960s, Sihanouk made concessions to the right since he did not have any force that he could play against them. Cambodia served as the southern terminus of the Ho Chi Minh Trail, the logistical resupply route of the North Vietnamese and Viet Cong. The use by these forces of sanctuaries in Cambodia put Cambodian was neutrality in jeopardy. China, preoccupied with its Cultural Revolution, did not intercede with Hanoi. On Cambodia's eastern border, even in the face of the communist Tet Offensive in 1968, South Vietnam surprisingly had not collapsed and President Nguyễn Văn Thiệu's government was bringing a measure of stability to that war-ravaged country. As the government in Phnom Penh began to feel keenly the loss of economic and military aid from the United States, which had totaled about US$400 million between 1955 and 1963, it began to have second thoughts about the break with Washington. The unavailability of American equipment and spare parts were exacerbated by the small amount and poor quality of Soviet, Chinese, and French substitutes.

In the late 1960s, while preserving relations with China and with North Vietnam, Sihanouk sought to restore a measure of equilibrium by improving Cambodia's ties with the West. This shift in course by the prince represented another adjustment to prevailing conditions in Asia. The Cultural Revolution had made the Chinese very difficult with which to carry on relations. The increasing North Vietnamese presence in Eastern Cambodia was destabilizing Cambodia politically and economically. When the Cambodian left went underground in the late 1960s, Sihanouk made concessions to the right since he did not have any force that he could play against them. Cambodia served as the southern terminus of the Ho Chi Minh Trail, the logistical resupply route of the North Vietnamese and Viet Cong. The use by these forces of sanctuaries in Cambodia put Cambodian was neutrality in jeopardy. China, preoccupied with its Cultural Revolution, did not intercede with Hanoi. On Cambodia's eastern border, even in the face of the communist Tet Offensive in 1968, South Vietnam surprisingly had not collapsed and President Nguyễn Văn Thiệu's government was bringing a measure of stability to that war-ravaged country. As the government in Phnom Penh began to feel keenly the loss of economic and military aid from the United States, which had totaled about US$400 million between 1955 and 1963, it began to have second thoughts about the break with Washington. The unavailability of American equipment and spare parts were exacerbated by the small amount and poor quality of Soviet, Chinese, and French substitutes.

In the late 1960s, while preserving relations with China and with North Vietnam, Sihanouk sought to restore a measure of equilibrium by improving Cambodia's ties with the West. This shift in course by the prince represented another adjustment to prevailing conditions in Asia. The Cultural Revolution had made the Chinese very difficult with which to carry on relations. The increasing North Vietnamese presence in Eastern Cambodia was destabilizing Cambodia politically and economically. When the Cambodian left went underground in the late 1960s, Sihanouk made concessions to the right since he did not have any force that he could play against them. Cambodia served as the southern terminus of the Ho Chi Minh Trail, the logistical resupply route of the North Vietnamese and Viet Cong. The use by these forces of sanctuaries in Cambodia put Cambodian was neutrality in jeopardy. China, preoccupied with its Cultural Revolution, did not intercede with Hanoi. On Cambodia's eastern border, even in the face of the communist Tet Offensive in 1968, South Vietnam surprisingly had not collapsed and President Nguyễn Văn Thiệu's government was bringing a measure of stability to that war-ravaged country. As the government in Phnom Penh began to feel keenly the loss of economic and military aid from the United States, which had totaled about US$400 million between 1955 and 1963, it began to have second thoughts about the break with Washington. The unavailability of American equipment and spare parts were exacerbated by the small amount and poor quality of Soviet, Chinese, and French substitutes.

In late 1967 and in early 1968, Sihanouk signaled that he would raise no objection to hot pursuit of communist forces by South Vietnamese or by United States troops into Cambodian territory. Washington, in the meantime, accepted the recommendation of the United States Military Assistance Command--Vietnam (MACV) and, beginning in March 1969, ordered a series of airstrikes (dubbed the Menu series) against Cambodian sanctuaries used by the North Vietnamese and the Viet Cong. Whether or not these bombing missions were authorized aroused considerable controversy, and assertions by the Nixon administration that Sihanouk had "allowed" or even "encouraged" them were disputed by critics such as British journalist William Shawcross. But in retrospect, Sihanouk allowing US bombing as a counter-weight to his previous decision to allow the Vietnamese to establish base areas seems consistent with his policy strategy in that US was the only force he could use as a counter-weight to the Vietnamese presence in Cambodia.

In late 1967 and in early 1968, Sihanouk signaled that he would raise no objection to hot pursuit of communist forces by South Vietnamese or by United States troops into Cambodian territory. Washington, in the meantime, accepted the recommendation of the United States Military Assistance Command--Vietnam (MACV) and, beginning in March 1969, ordered a series of airstrikes (dubbed the Menu series) against Cambodian sanctuaries used by the North Vietnamese and the Viet Cong. Whether or not these bombing missions were authorized aroused considerable controversy, and assertions by the Nixon administration that Sihanouk had "allowed" or even "encouraged" them were disputed by critics such as British journalist William Shawcross. But in retrospect, Sihanouk allowing US bombing as a counter-weight to his previous decision to allow the Vietnamese to establish base areas seems consistent with his policy strategy in that US was the only force he could use as a counter-weight to the Vietnamese presence in Cambodia.

In late 1967 and in early 1968, Sihanouk signaled that he would raise no objection to hot pursuit of communist forces by South Vietnamese or by United States troops into Cambodian territory. Washington, in the meantime, accepted the recommendation of the United States Military Assistance Command--Vietnam (MACV) and, beginning in March 1969, ordered a series of airstrikes (dubbed the Menu series) against Cambodian sanctuaries used by the North Vietnamese and the Viet Cong. Whether or not these bombing missions were authorized aroused considerable controversy, and assertions by the Nixon administration that Sihanouk had "allowed" or even "encouraged" them were disputed by critics such as British journalist William Shawcross. But in retrospect, Sihanouk allowing US bombing as a counter-weight to his previous decision to allow the Vietnamese to establish base areas seems consistent with his policy strategy in that US was the only force he could use as a counter-weight to the Vietnamese presence in Cambodia.

In late 1967 and in early 1968, Sihanouk signaled that he would raise no objection to hot pursuit of communist forces by South Vietnamese or by United States troops into Cambodian territory. Washington, in the meantime, accepted the recommendation of the United States Military Assistance Command--Vietnam (MACV) and, beginning in March 1969, ordered a series of airstrikes (dubbed the Menu series) against Cambodian sanctuaries used by the North Vietnamese and the Viet Cong. Whether or not these bombing missions were authorized aroused considerable controversy, and assertions by the Nixon administration that Sihanouk had "allowed" or even "encouraged" them were disputed by critics such as British journalist William Shawcross. But in retrospect, Sihanouk allowing US bombing as a counter-weight to his previous decision to allow the Vietnamese to establish base areas seems consistent with his policy strategy in that US was the only force he could use as a counter-weight to the Vietnamese presence in Cambodia.

In late 1967 and in early 1968, Sihanouk signaled that he would raise no objection to hot pursuit of communist forces by South Vietnamese or by United States troops into Cambodian territory. Washington, in the meantime, accepted the recommendation of the United States Military Assistance Command--Vietnam (MACV) and, beginning in March 1969, ordered a series of airstrikes (dubbed the Menu series) against Cambodian sanctuaries used by the North Vietnamese and the Viet Cong. Whether or not these bombing missions were authorized aroused considerable controversy, and assertions by the Nixon administration that Sihanouk had "allowed" or even "encouraged" them were disputed by critics such as British journalist William Shawcross. But in retrospect, Sihanouk allowing US bombing as a counter-weight to his previous decision to allow the Vietnamese to establish base areas seems consistent with his policy strategy in that US was the only force he could use as a counter-weight to the Vietnamese presence in Cambodia.

In late 1967 and in early 1968, Sihanouk signaled that he would raise no objection to hot pursuit of communist forces by South Vietnamese or by United States troops into Cambodian territory. Washington, in the meantime, accepted the recommendation of the United States Military Assistance Command--Vietnam (MACV) and, beginning in March 1969, ordered a series of airstrikes (dubbed the Menu series) against Cambodian sanctuaries used by the North Vietnamese and the Viet Cong. Whether or not these bombing missions were authorized aroused considerable controversy, and assertions by the Nixon administration that Sihanouk had "allowed" or even "encouraged" them were disputed by critics such as British journalist William Shawcross. But in retrospect, Sihanouk allowing US bombing as a counter-weight to his previous decision to allow the Vietnamese to establish base areas seems consistent with his policy strategy in that US was the only force he could use as a counter-weight to the Vietnamese presence in Cambodia.

The history of the communist movement in Cambodia can be divided into six phases: the emergence of the Indochinese Communist Party (ICP), whose members were almost exclusively Vietnamese, before World War II; the ten-year struggle for independence from the French, when a separate Cambodian communist party, the Kampuchean (or Khmer) People's Revolutionary Party (KPRP), was established under Vietnamese auspices; the period following the Second Party Congress of the KPRP in 1960, when Saloth Sar (Pol Pot after 1976) and other future Khmer Rouge leaders gained control of its apparatus; the revolutionary struggle from the initiation of the Khmer Rouge insurgency in 1967-68 to the fall of the Lon Nol government in April 1975; the Democratic Kampuchea regime, from April 1975 to January 1979; and the period following the Third Party Congress of the KPRP in January 1979, when Hanoi effectively assumed control over Cambodia's government and communist party.

The history of the communist movement in Cambodia can be divided into six phases: the emergence of the Indochinese Communist Party (ICP), whose members were almost exclusively Vietnamese, before World War II; the ten-year struggle for independence from the French, when a separate Cambodian communist party, the Kampuchean (or Khmer) People's Revolutionary Party (KPRP), was established under Vietnamese auspices; the period following the Second Party Congress of the KPRP in 1960, when Saloth Sar (Pol Pot after 1976) and other future Khmer Rouge leaders gained control of its apparatus; the revolutionary struggle from the initiation of the Khmer Rouge insurgency in 1967-68 to the fall of the Lon Nol government in April 1975; the Democratic Kampuchea regime, from April 1975 to January 1979; and the period following the Third Party Congress of the KPRP in January 1979, when Hanoi effectively assumed control over Cambodia's government and communist party.

The history of the communist movement in Cambodia can be divided into six phases: the emergence of the Indochinese Communist Party (ICP), whose members were almost exclusively Vietnamese, before World War II; the ten-year struggle for independence from the French, when a separate Cambodian communist party, the Kampuchean (or Khmer) People's Revolutionary Party (KPRP), was established under Vietnamese auspices; the period following the Second Party Congress of the KPRP in 1960, when Saloth Sar (Pol Pot after 1976) and other future Khmer Rouge leaders gained control of its apparatus; the revolutionary struggle from the initiation of the Khmer Rouge insurgency in 1967-68 to the fall of the Lon Nol government in April 1975; the Democratic Kampuchea regime, from April 1975 to January 1979; and the period following the Third Party Congress of the KPRP in January 1979, when Hanoi effectively assumed control over Cambodia's government and communist party.

The history of the communist movement in Cambodia can be divided into six phases: the emergence of the Indochinese Communist Party (ICP), whose members were almost exclusively Vietnamese, before World War II; the ten-year struggle for independence from the French, when a separate Cambodian communist party, the Kampuchean (or Khmer) People's Revolutionary Party (KPRP), was established under Vietnamese auspices; the period following the Second Party Congress of the KPRP in 1960, when Saloth Sar (Pol Pot after 1976) and other future Khmer Rouge leaders gained control of its apparatus; the revolutionary struggle from the initiation of the Khmer Rouge insurgency in 1967-68 to the fall of the Lon Nol government in April 1975; the Democratic Kampuchea regime, from April 1975 to January 1979; and the period following the Third Party Congress of the KPRP in January 1979, when Hanoi effectively assumed control over Cambodia's government and communist party.

The history of the communist movement in Cambodia can be divided into six phases: the emergence of the Indochinese Communist Party (ICP), whose members were almost exclusively Vietnamese, before World War II; the ten-year struggle for independence from the French, when a separate Cambodian communist party, the Kampuchean (or Khmer) People's Revolutionary Party (KPRP), was established under Vietnamese auspices; the period following the Second Party Congress of the KPRP in 1960, when Saloth Sar (Pol Pot after 1976) and other future Khmer Rouge leaders gained control of its apparatus; the revolutionary struggle from the initiation of the Khmer Rouge insurgency in 1967-68 to the fall of the Lon Nol government in April 1975; the Democratic Kampuchea regime, from April 1975 to January 1979; and the period following the Third Party Congress of the KPRP in January 1979, when Hanoi effectively assumed control over Cambodia's government and communist party.

The history of the communist movement in Cambodia can be divided into six phases: the emergence of the Indochinese Communist Party (ICP), whose members were almost exclusively Vietnamese, before World War II; the ten-year struggle for independence from the French, when a separate Cambodian communist party, the Kampuchean (or Khmer) People's Revolutionary Party (KPRP), was established under Vietnamese auspices; the period following the Second Party Congress of the KPRP in 1960, when Saloth Sar (Pol Pot after 1976) and other future Khmer Rouge leaders gained control of its apparatus; the revolutionary struggle from the initiation of the Khmer Rouge insurgency in 1967-68 to the fall of the Lon Nol government in April 1975; the Democratic Kampuchea regime, from April 1975 to January 1979; and the period following the Third Party Congress of the KPRP in January 1979, when Hanoi effectively assumed control over Cambodia's government and communist party.

Much of the movement's history has been shrouded in mystery, largely because successive purges, especially during the Democratic Kampuchea period, have left so few survivors to recount their experiences. One thing is evident, however, the tension between Khmer and Vietnamese was a major theme in the movement's development. In the three decades between the end of World War II and the Khmer Rouge victory, the appeal of communism to Western educated intellectuals (and to a lesser extent its more inchoate attraction for poor peasants) was tempered by the apprehension that the much stronger Vietnamese movement was using communism as an ideological rationale for dominating the Khmer. The analogy between the Vietnamese communists and the Nguyễn Dynasty, which had legitimized its encroachments in the 19th century in terms of the "civilizing mission" of Confucianism, was persuasive. Thus, the new brand of indigenous communism that emerged after 1960 combined nationalist and revolutionary appeals and, when it could afford to, exploited the virulent anti-Vietnamese sentiments of the Khmers. Khmer Rouge literature in the 1970s frequently referred to the Vietnamese as yuon (barbarian), a term dating from the Angkorian period.

Much of the movement's history has been shrouded in mystery, largely because successive purges, especially during the Democratic Kampuchea period, have left so few survivors to recount their experiences. One thing is evident, however, the tension between Khmer and Vietnamese was a major theme in the movement's development. In the three decades between the end of World War II and the Khmer Rouge victory, the appeal of communism to Western educated intellectuals (and to a lesser extent its more inchoate attraction for poor peasants) was tempered by the apprehension that the much stronger Vietnamese movement was using communism as an ideological rationale for dominating the Khmer. The analogy between the Vietnamese communists and the Nguyễn Dynasty, which had legitimized its encroachments in the 19th century in terms of the "civilizing mission" of Confucianism, was persuasive. Thus, the new brand of indigenous communism that emerged after 1960 combined nationalist and revolutionary appeals and, when it could afford to, exploited the virulent anti-Vietnamese sentiments of the Khmers. Khmer Rouge literature in the 1970s frequently referred to the Vietnamese as yuon (barbarian), a term dating from the Angkorian period.

Much of the movement's history has been shrouded in mystery, largely because successive purges, especially during the Democratic Kampuchea period, have left so few survivors to recount their experiences. One thing is evident, however, the tension between Khmer and Vietnamese was a major theme in the movement's development. In the three decades between the end of World War II and the Khmer Rouge victory, the appeal of communism to Western educated intellectuals (and to a lesser extent its more inchoate attraction for poor peasants) was tempered by the apprehension that the much stronger Vietnamese movement was using communism as an ideological rationale for dominating the Khmer. The analogy between the Vietnamese communists and the Nguyễn Dynasty, which had legitimized its encroachments in the 19th century in terms of the "civilizing mission" of Confucianism, was persuasive. Thus, the new brand of indigenous communism that emerged after 1960 combined nationalist and revolutionary appeals and, when it could afford to, exploited the virulent anti-Vietnamese sentiments of the Khmers. Khmer Rouge literature in the 1970s frequently referred to the Vietnamese as yuon (barbarian), a term dating from the Angkorian period.

Much of the movement's history has been shrouded in mystery, largely because successive purges, especially during the Democratic Kampuchea period, have left so few survivors to recount their experiences. One thing is evident, however, the tension between Khmer and Vietnamese was a major theme in the movement's development. In the three decades between the end of World War II and the Khmer Rouge victory, the appeal of communism to Western educated intellectuals (and to a lesser extent its more inchoate attraction for poor peasants) was tempered by the apprehension that the much stronger Vietnamese movement was using communism as an ideological rationale for dominating the Khmer. The analogy between the Vietnamese communists and the Nguyễn Dynasty, which had legitimized its encroachments in the 19th century in terms of the "civilizing mission" of Confucianism, was persuasive. Thus, the new brand of indigenous communism that emerged after 1960 combined nationalist and revolutionary appeals and, when it could afford to, exploited the virulent anti-Vietnamese sentiments of the Khmers. Khmer Rouge literature in the 1970s frequently referred to the Vietnamese as yuon (barbarian), a term dating from the Angkorian period.

Much of the movement's history has been shrouded in mystery, largely because successive purges, especially during the Democratic Kampuchea period, have left so few survivors to recount their experiences. One thing is evident, however, the tension between Khmer and Vietnamese was a major theme in the movement's development. In the three decades between the end of World War II and the Khmer Rouge victory, the appeal of communism to Western educated intellectuals (and to a lesser extent its more inchoate attraction for poor peasants) was tempered by the apprehension that the much stronger Vietnamese movement was using communism as an ideological rationale for dominating the Khmer. The analogy between the Vietnamese communists and the Nguyễn Dynasty, which had legitimized its encroachments in the 19th century in terms of the "civilizing mission" of Confucianism, was persuasive. Thus, the new brand of indigenous communism that emerged after 1960 combined nationalist and revolutionary appeals and, when it could afford to, exploited the virulent anti-Vietnamese sentiments of the Khmers. Khmer Rouge literature in the 1970s frequently referred to the Vietnamese as yuon (barbarian), a term dating from the Angkorian period.

Much of the movement's history has been shrouded in mystery, largely because successive purges, especially during the Democratic Kampuchea period, have left so few survivors to recount their experiences. One thing is evident, however, the tension between Khmer and Vietnamese was a major theme in the movement's development. In the three decades between the end of World War II and the Khmer Rouge victory, the appeal of communism to Western educated intellectuals (and to a lesser extent its more inchoate attraction for poor peasants) was tempered by the apprehension that the much stronger Vietnamese movement was using communism as an ideological rationale for dominating the Khmer. The analogy between the Vietnamese communists and the Nguyễn Dynasty, which had legitimized its encroachments in the 19th century in terms of the "civilizing mission" of Confucianism, was persuasive. Thus, the new brand of indigenous communism that emerged after 1960 combined nationalist and revolutionary appeals and, when it could afford to, exploited the virulent anti-Vietnamese sentiments of the Khmers. Khmer Rouge literature in the 1970s frequently referred to the Vietnamese as yuon (barbarian), a term dating from the Angkorian period.

In 1930 Ho Chi Minh founded the Vietnamese Communist Party by unifying three smaller communist movements that had emerged in Tonkin, in Annam, and in Cochinchina during the late 1920s. The name was changed almost immediately to the ICP, ostensibly to include revolutionaries from Cambodia and Laos. Almost without exception, however, all the earliest party members were Vietnamese. By the end of World War II, a handful of Cambodians had joined its ranks, but their influence on the Indochinese communist movement and on developments within Cambodia was negligible.

In 1930 Ho Chi Minh founded the Vietnamese Communist Party by unifying three smaller communist movements that had emerged in Tonkin, in Annam, and in Cochinchina during the late 1920s. The name was changed almost immediately to the ICP, ostensibly to include revolutionaries from Cambodia and Laos. Almost without exception, however, all the earliest party members were Vietnamese. By the end of World War II, a handful of Cambodians had joined its ranks, but their influence on the Indochinese communist movement and on developments within Cambodia was negligible.

In 1930 Ho Chi Minh founded the Vietnamese Communist Party by unifying three smaller communist movements that had emerged in Tonkin, in Annam, and in Cochinchina during the late 1920s. The name was changed almost immediately to the ICP, ostensibly to include revolutionaries from Cambodia and Laos. Almost without exception, however, all the earliest party members were Vietnamese. By the end of World War II, a handful of Cambodians had joined its ranks, but their influence on the Indochinese communist movement and on developments within Cambodia was negligible.

In 1930 Ho Chi Minh founded the Vietnamese Communist Party by unifying three smaller communist movements that had emerged in Tonkin, in Annam, and in Cochinchina during the late 1920s. The name was changed almost immediately to the ICP, ostensibly to include revolutionaries from Cambodia and Laos. Almost without exception, however, all the earliest party members were Vietnamese. By the end of World War II, a handful of Cambodians had joined its ranks, but their influence on the Indochinese communist movement and on developments within Cambodia was negligible.

In 1930 Ho Chi Minh founded the Vietnamese Communist Party by unifying three smaller communist movements that had emerged in Tonkin, in Annam, and in Cochinchina during the late 1920s. The name was changed almost immediately to the ICP, ostensibly to include revolutionaries from Cambodia and Laos. Almost without exception, however, all the earliest party members were Vietnamese. By the end of World War II, a handful of Cambodians had joined its ranks, but their influence on the Indochinese communist movement and on developments within Cambodia was negligible.

In 1930 Ho Chi Minh founded the Vietnamese Communist Party by unifying three smaller communist movements that had emerged in Tonkin, in Annam, and in Cochinchina during the late 1920s. The name was changed almost immediately to the ICP, ostensibly to include revolutionaries from Cambodia and Laos. Almost without exception, however, all the earliest party members were Vietnamese. By the end of World War II, a handful of Cambodians had joined its ranks, but their influence on the Indochinese communist movement and on developments within Cambodia was negligible.

Viet Minh units occasionally made forays into Cambodian bases during their war against the French, and, in conjunction with the leftist government that ruled Thailand until 1947, the Viet Minh encouraged the formation of armed, left-wing Khmer Issarak bands. On April 17, 1950 (twenty-five years to the day before the Khmer Rouge captured Phnom Penh), the first nationwide congress of the Khmer Issarak groups convened, and the United Issarak Front was established. Its leader was Son Ngoc Minh (possibly a brother of the nationalist Son Ngoc Thanh), and a third of its leadership consisted of members of the ICP. According to the historian David P. Chandler, the leftist Issarak groups, aided by the Viet Minh, occupied a sixth of Cambodia's territory by 1952; and, on the eve of the Geneva Conference, they controlled as much as one half of the country.

Viet Minh units occasionally made forays into Cambodian bases during their war against the French, and, in conjunction with the leftist government that ruled Thailand until 1947, the Viet Minh encouraged the formation of armed, left-wing Khmer Issarak bands. On April 17, 1950 (twenty-five years to the day before the Khmer Rouge captured Phnom Penh), the first nationwide congress of the Khmer Issarak groups convened, and the United Issarak Front was established. Its leader was Son Ngoc Minh (possibly a brother of the nationalist Son Ngoc Thanh), and a third of its leadership consisted of members of the ICP. According to the historian David P. Chandler, the leftist Issarak groups, aided by the Viet Minh, occupied a sixth of Cambodia's territory by 1952; and, on the eve of the Geneva Conference, they controlled as much as one half of the country.

Viet Minh units occasionally made forays into Cambodian bases during their war against the French, and, in conjunction with the leftist government that ruled Thailand until 1947, the Viet Minh encouraged the formation of armed, left-wing Khmer Issarak bands. On April 17, 1950 (twenty-five years to the day before the Khmer Rouge captured Phnom Penh), the first nationwide congress of the Khmer Issarak groups convened, and the United Issarak Front was established. Its leader was Son Ngoc Minh (possibly a brother of the nationalist Son Ngoc Thanh), and a third of its leadership consisted of members of the ICP. According to the historian David P. Chandler, the leftist Issarak groups, aided by the Viet Minh, occupied a sixth of Cambodia's territory by 1952; and, on the eve of the Geneva Conference, they controlled as much as one half of the country.

Viet Minh units occasionally made forays into Cambodian bases during their war against the French, and, in conjunction with the leftist government that ruled Thailand until 1947, the Viet Minh encouraged the formation of armed, left-wing Khmer Issarak bands. On April 17, 1950 (twenty-five years to the day before the Khmer Rouge captured Phnom Penh), the first nationwide congress of the Khmer Issarak groups convened, and the United Issarak Front was established. Its leader was Son Ngoc Minh (possibly a brother of the nationalist Son Ngoc Thanh), and a third of its leadership consisted of members of the ICP. According to the historian David P. Chandler, the leftist Issarak groups, aided by the Viet Minh, occupied a sixth of Cambodia's territory by 1952; and, on the eve of the Geneva Conference, they controlled as much as one half of the country.

Viet Minh units occasionally made forays into Cambodian bases during their war against the French, and, in conjunction with the leftist government that ruled Thailand until 1947, the Viet Minh encouraged the formation of armed, left-wing Khmer Issarak bands. On April 17, 1950 (twenty-five years to the day before the Khmer Rouge captured Phnom Penh), the first nationwide congress of the Khmer Issarak groups convened, and the United Issarak Front was established. Its leader was Son Ngoc Minh (possibly a brother of the nationalist Son Ngoc Thanh), and a third of its leadership consisted of members of the ICP. According to the historian David P. Chandler, the leftist Issarak groups, aided by the Viet Minh, occupied a sixth of Cambodia's territory by 1952; and, on the eve of the Geneva Conference, they controlled as much as one half of the country.

Viet Minh units occasionally made forays into Cambodian bases during their war against the French, and, in conjunction with the leftist government that ruled Thailand until 1947, the Viet Minh encouraged the formation of armed, left-wing Khmer Issarak bands. On April 17, 1950 (twenty-five years to the day before the Khmer Rouge captured Phnom Penh), the first nationwide congress of the Khmer Issarak groups convened, and the United Issarak Front was established. Its leader was Son Ngoc Minh (possibly a brother of the nationalist Son Ngoc Thanh), and a third of its leadership consisted of members of the ICP. According to the historian David P. Chandler, the leftist Issarak groups, aided by the Viet Minh, occupied a sixth of Cambodia's territory by 1952; and, on the eve of the Geneva Conference, they controlled as much as one half of the country.

According to Democratic Kampuchea's version of party history, the Viet Minh's failure to negotiate a political role for the KPRP at the 1954 Geneva Conference represented a betrayal of the Cambodian movement, which still controlled large areas of the countryside and which commanded at least 5,000 armed men. Following the conference, about 1,000 members of the KPRP, including Son Ngoc Minh, made a "Long March" into North Vietnam, where they remained in exile. In late 1954, those who stayed in Cambodia founded a legal political party, the Pracheachon Party, which participated in the 1955 and the 1958 National Assembly elections. In the September 1955 election, it won about 4% of the vote but did not secure a seat in the legislature. Members of the Pracheachon were subject to constant harassment and to arrests because the party remained outside Sihanouk's Sangkum. Government attacks prevented it from participating in the 1962 election and drove it underground. Sihanouk habitually labeled local leftists the Khmer Rouge, a term that later came to signify the party and the state headed by Pol Pot, Ieng Sary, Khieu Samphan, and their associates.

According to Democratic Kampuchea's version of party history, the Viet Minh's failure to negotiate a political role for the KPRP at the 1954 Geneva Conference represented a betrayal of the Cambodian movement, which still controlled large areas of the countryside and which commanded at least 5,000 armed men. Following the conference, about 1,000 members of the KPRP, including Son Ngoc Minh, made a "Long March" into North Vietnam, where they remained in exile. In late 1954, those who stayed in Cambodia founded a legal political party, the Pracheachon Party, which participated in the 1955 and the 1958 National Assembly elections. In the September 1955 election, it won about 4% of the vote but did not secure a seat in the legislature. Members of the Pracheachon were subject to constant harassment and to arrests because the party remained outside Sihanouk's Sangkum. Government attacks prevented it from participating in the 1962 election and drove it underground. Sihanouk habitually labeled local leftists the Khmer Rouge, a term that later came to signify the party and the state headed by Pol Pot, Ieng Sary, Khieu Samphan, and their associates.

According to Democratic Kampuchea's version of party history, the Viet Minh's failure to negotiate a political role for the KPRP at the 1954 Geneva Conference represented a betrayal of the Cambodian movement, which still controlled large areas of the countryside and which commanded at least 5,000 armed men. Following the conference, about 1,000 members of the KPRP, including Son Ngoc Minh, made a "Long March" into North Vietnam, where they remained in exile. In late 1954, those who stayed in Cambodia founded a legal political party, the Pracheachon Party, which participated in the 1955 and the 1958 National Assembly elections. In the September 1955 election, it won about 4% of the vote but did not secure a seat in the legislature. Members of the Pracheachon were subject to constant harassment and to arrests because the party remained outside Sihanouk's Sangkum. Government attacks prevented it from participating in the 1962 election and drove it underground. Sihanouk habitually labeled local leftists the Khmer Rouge, a term that later came to signify the party and the state headed by Pol Pot, Ieng Sary, Khieu Samphan, and their associates.

According to Democratic Kampuchea's version of party history, the Viet Minh's failure to negotiate a political role for the KPRP at the 1954 Geneva Conference represented a betrayal of the Cambodian movement, which still controlled large areas of the countryside and which commanded at least 5,000 armed men. Following the conference, about 1,000 members of the KPRP, including Son Ngoc Minh, made a "Long March" into North Vietnam, where they remained in exile. In late 1954, those who stayed in Cambodia founded a legal political party, the Pracheachon Party, which participated in the 1955 and the 1958 National Assembly elections. In the September 1955 election, it won about 4% of the vote but did not secure a seat in the legislature. Members of the Pracheachon were subject to constant harassment and to arrests because the party remained outside Sihanouk's Sangkum. Government attacks prevented it from participating in the 1962 election and drove it underground. Sihanouk habitually labeled local leftists the Khmer Rouge, a term that later came to signify the party and the state headed by Pol Pot, Ieng Sary, Khieu Samphan, and their associates.

According to Democratic Kampuchea's version of party history, the Viet Minh's failure to negotiate a political role for the KPRP at the 1954 Geneva Conference represented a betrayal of the Cambodian movement, which still controlled large areas of the countryside and which commanded at least 5,000 armed men. Following the conference, about 1,000 members of the KPRP, including Son Ngoc Minh, made a "Long March" into North Vietnam, where they remained in exile. In late 1954, those who stayed in Cambodia founded a legal political party, the Pracheachon Party, which participated in the 1955 and the 1958 National Assembly elections. In the September 1955 election, it won about 4% of the vote but did not secure a seat in the legislature. Members of the Pracheachon were subject to constant harassment and to arrests because the party remained outside Sihanouk's Sangkum. Government attacks prevented it from participating in the 1962 election and drove it underground. Sihanouk habitually labeled local leftists the Khmer Rouge, a term that later came to signify the party and the state headed by Pol Pot, Ieng Sary, Khieu Samphan, and their associates.

According to Democratic Kampuchea's version of party history, the Viet Minh's failure to negotiate a political role for the KPRP at the 1954 Geneva Conference represented a betrayal of the Cambodian movement, which still controlled large areas of the countryside and which commanded at least 5,000 armed men. Following the conference, about 1,000 members of the KPRP, including Son Ngoc Minh, made a "Long March" into North Vietnam, where they remained in exile. In late 1954, those who stayed in Cambodia founded a legal political party, the Pracheachon Party, which participated in the 1955 and the 1958 National Assembly elections. In the September 1955 election, it won about 4% of the vote but did not secure a seat in the legislature. Members of the Pracheachon were subject to constant harassment and to arrests because the party remained outside Sihanouk's Sangkum. Government attacks prevented it from participating in the 1962 election and drove it underground. Sihanouk habitually labeled local leftists the Khmer Rouge, a term that later came to signify the party and the state headed by Pol Pot, Ieng Sary, Khieu Samphan, and their associates.

During the mid-1950s, KPRP factions, the "urban committee" (headed by Tou Samouth), and the "rural committee" (headed by Sieu Heng), emerged. In very general terms, these groups espoused divergent revolutionary lines. The prevalent "urban" line, endorsed by North Vietnam, recognized that Sihanouk, by virtue of his success in winning independence from the French, was a genuine national leader whose neutralism and deep distrust of the United States made him a valuable asset in Hanoi's struggle to "liberate" South Vietnam. Champions of this line hoped that the prince could be persuaded to distance himself from the right wing and to adopt leftist policies. The other line, supported for the most part by rural cadres who were familiar with the harsh realities of the countryside, advocated an immediate struggle to overthrow the "feudalist" Sihanouk. In 1959 Sieu Heng defected to the government and provided the security forces with information that enabled them to destroy as much as 90% of the party's rural apparatus. Although communist networks in Phnom Penh and in other towns under Tou Samouth's jurisdiction fared better, only a few hundred communists remained active in the country by 1960.

During the mid-1950s, KPRP factions, the "urban committee" (headed by Tou Samouth), and the "rural committee" (headed by Sieu Heng), emerged. In very general terms, these groups espoused divergent revolutionary lines. The prevalent "urban" line, endorsed by North Vietnam, recognized that Sihanouk, by virtue of his success in winning independence from the French, was a genuine national leader whose neutralism and deep distrust of the United States made him a valuable asset in Hanoi's struggle to "liberate" South Vietnam. Champions of this line hoped that the prince could be persuaded to distance himself from the right wing and to adopt leftist policies. The other line, supported for the most part by rural cadres who were familiar with the harsh realities of the countryside, advocated an immediate struggle to overthrow the "feudalist" Sihanouk. In 1959 Sieu Heng defected to the government and provided the security forces with information that enabled them to destroy as much as 90% of the party's rural apparatus. Although communist networks in Phnom Penh and in other towns under Tou Samouth's jurisdiction fared better, only a few hundred communists remained active in the country by 1960.

During the mid-1950s, KPRP factions, the "urban committee" (headed by Tou Samouth), and the "rural committee" (headed by Sieu Heng), emerged. In very general terms, these groups espoused divergent revolutionary lines. The prevalent "urban" line, endorsed by North Vietnam, recognized that Sihanouk, by virtue of his success in winning independence from the French, was a genuine national leader whose neutralism and deep distrust of the United States made him a valuable asset in Hanoi's struggle to "liberate" South Vietnam. Champions of this line hoped that the prince could be persuaded to distance himself from the right wing and to adopt leftist policies. The other line, supported for the most part by rural cadres who were familiar with the harsh realities of the countryside, advocated an immediate struggle to overthrow the "feudalist" Sihanouk. In 1959 Sieu Heng defected to the government and provided the security forces with information that enabled them to destroy as much as 90% of the party's rural apparatus. Although communist networks in Phnom Penh and in other towns under Tou Samouth's jurisdiction fared better, only a few hundred communists remained active in the country by 1960.

During the mid-1950s, KPRP factions, the "urban committee" (headed by Tou Samouth), and the "rural committee" (headed by Sieu Heng), emerged. In very general terms, these groups espoused divergent revolutionary lines. The prevalent "urban" line, endorsed by North Vietnam, recognized that Sihanouk, by virtue of his success in winning independence from the French, was a genuine national leader whose neutralism and deep distrust of the United States made him a valuable asset in Hanoi's struggle to "liberate" South Vietnam. Champions of this line hoped that the prince could be persuaded to distance himself from the right wing and to adopt leftist policies. The other line, supported for the most part by rural cadres who were familiar with the harsh realities of the countryside, advocated an immediate struggle to overthrow the "feudalist" Sihanouk. In 1959 Sieu Heng defected to the government and provided the security forces with information that enabled them to destroy as much as 90% of the party's rural apparatus. Although communist networks in Phnom Penh and in other towns under Tou Samouth's jurisdiction fared better, only a few hundred communists remained active in the country by 1960.

During the mid-1950s, KPRP factions, the "urban committee" (headed by Tou Samouth), and the "rural committee" (headed by Sieu Heng), emerged. In very general terms, these groups espoused divergent revolutionary lines. The prevalent "urban" line, endorsed by North Vietnam, recognized that Sihanouk, by virtue of his success in winning independence from the French, was a genuine national leader whose neutralism and deep distrust of the United States made him a valuable asset in Hanoi's struggle to "liberate" South Vietnam. Champions of this line hoped that the prince could be persuaded to distance himself from the right wing and to adopt leftist policies. The other line, supported for the most part by rural cadres who were familiar with the harsh realities of the countryside, advocated an immediate struggle to overthrow the "feudalist" Sihanouk. In 1959 Sieu Heng defected to the government and provided the security forces with information that enabled them to destroy as much as 90% of the party's rural apparatus. Although communist networks in Phnom Penh and in other towns under Tou Samouth's jurisdiction fared better, only a few hundred communists remained active in the country by 1960.

During the mid-1950s, KPRP factions, the "urban committee" (headed by Tou Samouth), and the "rural committee" (headed by Sieu Heng), emerged. In very general terms, these groups espoused divergent revolutionary lines. The prevalent "urban" line, endorsed by North Vietnam, recognized that Sihanouk, by virtue of his success in winning independence from the French, was a genuine national leader whose neutralism and deep distrust of the United States made him a valuable asset in Hanoi's struggle to "liberate" South Vietnam. Champions of this line hoped that the prince could be persuaded to distance himself from the right wing and to adopt leftist policies. The other line, supported for the most part by rural cadres who were familiar with the harsh realities of the countryside, advocated an immediate struggle to overthrow the "feudalist" Sihanouk. In 1959 Sieu Heng defected to the government and provided the security forces with information that enabled them to destroy as much as 90% of the party's rural apparatus. Although communist networks in Phnom Penh and in other towns under Tou Samouth's jurisdiction fared better, only a few hundred communists remained active in the country by 1960.

Pol Pot, who rose to the leadership of the communist movement in the 1960s, was born in 1928 (some sources say in 1925) in Kampong Thum Province, north of Phnom Penh. He attended a technical high school in the capital and then went to Paris in 1949 to study radio electronics (other sources say he attended a school for printers and typesetters and also studied civil engineering). Described by one source as a "determined, rather plodding organizer", he failed to obtain a degree, but, according to the Catholic priest, Fr. François Ponchaud, he acquired a taste for the classics of French literature as well as for the writings of Marx.

Pol Pot, who rose to the leadership of the communist movement in the 1960s, was born in 1928 (some sources say in 1925) in Kampong Thum Province, north of Phnom Penh. He attended a technical high school in the capital and then went to Paris in 1949 to study radio electronics (other sources say he attended a school for printers and typesetters and also studied civil engineering). Described by one source as a "determined, rather plodding organizer", he failed to obtain a degree, but, according to the Catholic priest, Fr. François Ponchaud, he acquired a taste for the classics of French literature as well as for the writings of Marx.

Pol Pot, who rose to the leadership of the communist movement in the 1960s, was born in 1928 (some sources say in 1925) in Kampong Thum Province, north of Phnom Penh. He attended a technical high school in the capital and then went to Paris in 1949 to study radio electronics (other sources say he attended a school for printers and typesetters and also studied civil engineering). Described by one source as a "determined, rather plodding organizer", he failed to obtain a degree, but, according to the Catholic priest, Fr. François Ponchaud, he acquired a taste for the classics of French literature as well as for the writings of Marx.

Pol Pot, who rose to the leadership of the communist movement in the 1960s, was born in 1928 (some sources say in 1925) in Kampong Thum Province, north of Phnom Penh. He attended a technical high school in the capital and then went to Paris in 1949 to study radio electronics (other sources say he attended a school for printers and typesetters and also studied civil engineering). Described by one source as a "determined, rather plodding organizer", he failed to obtain a degree, but, according to the Catholic priest, Fr. François Ponchaud, he acquired a taste for the classics of French literature as well as for the writings of Marx.

Another member of the Paris student group was Ieng Sary. He was a Chinese-Khmer born in 1930 in South Vietnam. He attended the elite Lycée Sisowath in Phnom Penh before beginning courses in commerce and politics at the "Institut d'études politiques de Paris" (more widely known as "Sciences Po") in France. Khieu Samphan, considered "one of the most brilliant intellects of his generation", was born in 1931 and specialized in economics and politics during his time in Paris. In talent he was rivaled by Hou Yuon, born in 1930, who was described as being "of truly astounding physical and intellectual strength", and who studied economics and law. Son Sen, born in 1930, studied education and literature; Hu Nim, born in 1932, studied law.

Another member of the Paris student group was Ieng Sary. He was a Chinese-Khmer born in 1930 in South Vietnam. He attended the elite Lycée Sisowath in Phnom Penh before beginning courses in commerce and politics at the "Institut d'études politiques de Paris" (more widely known as "Sciences Po") in France. Khieu Samphan, considered "one of the most brilliant intellects of his generation", was born in 1931 and specialized in economics and politics during his time in Paris. In talent he was rivaled by Hou Yuon, born in 1930, who was described as being "of truly astounding physical and intellectual strength", and who studied economics and law. Son Sen, born in 1930, studied education and literature; Hu Nim, born in 1932, studied law.