Arapaho adopt reservation life living off government handouts. Decreased resources and starvation was the major reason for the surrendering of individual Indian bands and the end of the Great Sioux War. The most significant battle of the war was the Battle of The Little Bighorn on June 25–26, 1876. The battle was fought between warriors from the Lakota, Cheyenne, and Arapaho (as well as individual Dakota warrior) and the 7th Cavalry Regiment of the US Army. The battle was fought along the Little Bighorn River in eastern Montana. The soldiers attempted to ambush the large camp of Indians along the river
Battle of the Little Bighorn in a series of conflicts known as the Sioux Wars, which took place from 1854-90. While some of the indigenous people eventually agreed to relocate to ever-shrinking reservations, a number of them resisted, at times fiercely. On May 7, 1868, the valley of the Little Bighorn became a tract in the eastern part of the new Crow Indian Reservation in the center of the old Crow country. There were numerous skirmishes between the Sioux and Crow tribes so when the Sioux were in the valley in 1876 without the consent of the Crow tribe, the Crow supported the US Army