The U.S. troops were lead by George A. Custer against the Lakota Sioux and Cheyenne warriors. Gold had been found in the area where the Sioux tribe is located and the U.S. troops moved in an attempt to kick them out. The Indians were given a deadline to move out of the area, but they did not listen. Custer and his 7th Calvary were sent to move them by force. Custer was unaware of the number of Indians he was about to fight, he underestimated their chief Sitting Bull and the U.S. was outnumbered. This event became known as Custer’s Last