original: It takes place in an alternate history of the American frontier in the early 19th century, to some extent based on early American folklore and superstition.
simplifications: It takes place in an imaginary history of the America in the early 19th century. It is based a little on early American tales and beliefs. In an alternate history of America in the 19th century to some extent on American folklore and superstition. It takes place in an alternate history of the American frontier in the early 19th century. It is loosely based on early American folklore and superstition. It features a fictional American frontier in the early 19th century, somewhat based on early American folklore and superstition. It is in an alternate history of the American frontier in the early 19th century. It is partly based on early American folklore and superstition. I takes place in a fictional version of the American frontier in the early 1800s. It takes place in an alternate history of the American frontier in the early 19th century, to some extent based on early folklore and superstition. It happens in an alternate history of the American frontier in the early 19th century. A small amount may be based on early American folklore and superstition. It happens in an different history of the American frontier (early 19th century), and to some extent based on early American lore and myth. It takes place in an different history of the American border in the early 19th century, to some extent based on early American tradition and superstition.