On the Lakota Sioux Ethnically Cleansing the Crow and Cheyenne from the Black Hills Circa the Late 18th Century - https://blackhillsvisitor.com/learn/native-american-culture-the-black-hills-until-1759/

Sooooooooooooo, if the U.S. was to give the Black Hills back to the Lakota Sioux would they then in turn have to give it back to the Cheyenne and Crow? It only follows, no?