what was the "ethnicity" of the people stolen from their land and brought to the US for free labor for hundreds of years? and then oppressed through new and imp

what was the "ethnicity" of the people stolen from their land and brought to the US for free labor for hundreds of years? and then oppressed through new and improving ways of covert racism? love the idea of people in the US admonishing ground of peoples for current and comparably minor transgressions and labeling them overall as violent. hn is in desperate need to break away from technobabble and read some books from different perspectives from their own from people that don't look like them and thus live in a much different world. and to catch it before, yes violence is inexcusable. focusing on individualism and personal responsibly is myopic (and in this particular case, racist).