Communists are always down to this single argument at the end.
https://en.wikipedia.org/wiki/Polish_protests_of_1970
https://en.wikipedia.org/wiki/East_German_uprising_of_1953
https://en.wikipedia.org/wiki/Hungarian_Revolution_of_1956
https://en.wikipedia.org/wiki/Pozna%C5%84_protests_of_1956
But also this - Blair Mountain - one milion rounds fired.
https://en.wikipedia.org/wiki/Battle_of_Blair_Mountain