Complex sentence: He visited all of the western states plus England, Japan, China, Borneo, the Dutch East Indies, Arabia, Egypt, and Panama, finally moving with his parents to Oklahoma in the early 1930s.
Split into simpler sentences: He visited all of the western states plus England, Japan, China, Borneo, the Dutch East Indies, Arabia, Egypt, and Panama. Finally moving with his parents to Oklahoma in the early 1930s.