One of the most interesting Supreme Court cases I have ever encountered. The United States signs a treaty with the Lakota/Sioux tribes agreeing not to encroach upon their land. US does it anyway (very arable land and gold). 112 years later they "sioux". https://en.wikipedia.org/wiki/United_States_v._Sioux_Nation_of_Indians …
Haha yup. Not only did we take their land, but we erected a huge monument (Mr. Rushmore) which in a lot of ways commemorates our aggression. Huge fuck you to Native America.