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 Assistant Surgeon Henry R. Porter. News of the defeat arrived in the East as the U.S. was observing its centennial. The Army began to investigate, although its effectiveness was hampered by a concern for survivors, and the reputation of the officers. Custer's wife, Elisabeth Bacon Custer, in particular, guarded and promoted the ideal of him as the gallant hero, attacking any who cast an ill light on his reputation. The Battle of the Little Bighorn had far-reaching consequences for the Natives. It was the beginning of the end of the 'Indian' Wars and has even been referred to as "the