That’s a tough thing to read, but deeply important. As I posted elsewhere in the Forum a while ago, one of the finest talks on freedom and the Constitution I’ve ever seen by anyone, was the video by Russell Means, titled “Americans are the new Indian.” I recommend it highly.
Shorter, and much more to Corvus’ point, is the following video. Unfortunately, I cannot find Part II of the video. But even just Part I gives an excellent overview of what led up to the 1973 Wounded Knee seige:
For some history of the massacre at Wounded Knee in 1890, this Russell Means video is a good start: