The Great Sioux War (also given as the Black Hills War, 1876-1877) was a military conflict between the allied forces of the Lakota Sioux/Northern Cheyenne and the US government over the territory of the Black Hills and, more widely, US policies of westward expansion and the appropriation of Native American lands. The Fort Laramie Treaty of 1868 had established the Great Sioux Reservation, including...