Complex sentence: The Buffalo Soldiers of World War II, which is based off of his experiences as a soldier and is being made into a documentary film, "With One Tied Hand", produced by the two time Oscar winner, Mark Jonathan Harris.
Split into simpler sentences: The Buffalo Soldiers of World War II, which is based off his experiences as a soldier. It is now being made into the documentary film "With One Tied Hand," produced by the two time Oscar winner, Mark Jonathan Harris.