In a conflict over the Black Hills of South Dakota, Lakota, Cheyenne, and other Plains Indians who had gathered to protect their land were attacked by members of the U$.$S$.$ Army $7$th Cavalry. The U$.$S$.$ soldiers were wiped out in this battle, but ultimately the Sioux lost their lands, because the defeat inflamed public sentiment and led to a bigger military push to secure control of all the Plains. The attack took place at$...$