and never stopped happening if you only look at the outlines but the scale at which it happens, the wide use of dehumanizing language (e.g. calling foreigners

and never stopped happening if you only look at the outlines but the scale at which it happens, the wide use of dehumanizing language (e.g. calling foreigners "aliens") and the violence applied are novel for recent history (not new if you go back far enough in history, I mean the US has a lot of dark spots in history they mostly pretend never happened)