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 from Fort Fetterman in the Wyoming Territory on May 29, marching toward the Powder River area. Brig. Gen. Alfred Terry's column, including twelve companies (A, B, C, D, E, F, G, H, I, K, L, and M) of the 7th Cavalry under Lt. Col. George Armstrong Custer's immediate command, Companies C and G of the 17th U.S. Infantry, and the Gatling gun detachment of the 20th Infantry departed westward from Fort Abraham Lincoln in the Dakota Territory on May 17. They were accompanied by teamsters and packers with 150 wagons and a large contingent of pack mules that reinforced Custer.