Link to all your questions of 1930 http://www.history.com/topics/1930s
Answer:
The power of the workers was demonstrated as follows: workers have a lot of popular support, workers from different industries were willing to work together, workers had so much power that they could stop and even stop the economy, the workers were determined to oppose government forces even if it is with violence.
Everything originated because the railways announced salary cuts, the company did not accept the demands of the workers, so they decided to prevent the railroad from functioning until the salary decision was changed.
I dont understand what your trying to ask.
Answer:
the russians practiced communism where as the west (usa,britain,france) were anti communist. the us were capitalists , thus is would make sense that the ussr and the usa would clash eventually despite their pasts of helping eachother out. once russia clashed with the west it gave way to the cold war
