Complex sentence: The tribes are directed to Wounded Knee, where a member of the Minneconjou tribe called Black Coyote refuses to surrender his rifle and the US Army reacts with violence thereby resulting in the deaths of 150-350 Native Americans and 25-31 US Army soldiers.
Split into simpler sentences: The tribes are subsequently directed to Wounded Knee, where a member of the Minneconjou tribe called Black Coyote refuses to surrender his rifle. The US Army reacts with violence which results in the deaths of 150-350 Native Americans and 25-31 US Army soldiers.