Conflicts between natives and settlers over the opening of the Bozeman Trail in the Dakotas, Wyoming and Montana led to Red Cloud's War, in which the Lakota and Cheyenne fought against the U.S. Army.
Os conflitos entre os nativos e os colonos durante a apertura da ruta de Bozeman nas Dacotas, Wyoming e Montana levou á guerra de Red Cloud, na que os lacotas e cheyennes loitaron contra o exército dos EE.UU..