Complex sentence: The accepted path of de Soto's travels was established by the research of the de Soto Commission in 1939 led by Dr. John R. Swanton and has been generally accepted by the United States government and most archaeologists as the actual route.
Split into simpler sentences: The accepted path of de Soto's travels was established by the research of the de Soto Commission in 1939 led by Dr. John R. Swanton. It has been generally accepted by the United States government and most archaeologists as the actual route.