Sitting Bull was the chief of the Sioux nation and is though to be one of the most powerful Native Americans. When gold was discovered in the Black Hills of North Dakota in the 1870's, Americans started to move West. This contradicted the 1866 Fort Laramie Treaty between the Native Americans and the American government, which stated that the American government respected their land. When Custer led the 7th Cavalry into the west to take possession of the Black Hills, his army would not stand against the Sioux. This course tells of the leader that defeated Custer in the Battle of the Little Bighorn.