original: U. S. involvement in the war comes to an end.
simplifications: U. S. involvement in the war ended. United States is not participating in the war anymore. US war involvement ends. U. S. stopped their involvement in the war. U. S. involvement in the war ends. U. S. involvement in the war ends. The U.S. stopped getting involved in the war. U.S. action in the war ends. U.S. participation in the war is ended. U. S. Engagement in war is ending.