The peak of this behavior led to a small war between coal miners and a sheriff and a small airforce that bombed the strikers that only ended when Warren Harding threatened to send in the military.
They ultimately lost but what happened there led to the sympathetic growth of the AFL and CIO and ultimately to the New Deal and the rise of the middle class.
They say history doesn't repeat but it rhymes. I wouldn't be surprised if the next series of pitched struggles between American owners and labor result in extreme violence also, before giving way to a system that is slightly more egalitarian.
back in my days, we would unionize and block the factories until the company died or we got what we wanted