Watch Amerika (1987) ,Doctor Zhivago (1965) and Reds (1981) to get the feel of Barnie’s AmeriKa
I would add The Lost City (2015). The scene with the fat little commissar ordering Andy Garcia not to use certain instruments in his band because they were counter-revolutionary is a classic example of how losers love to lord it over their “comrades” when they get a little power.
And “Red Dawn” (1984).