Answer:
probualy because they wotked to get money =>=
The revolution in Russia was one of the causes of the outbreak of the Red Scare. We can also attribute the coming about of the Red Scare, because of the patriotism following World War I, as the United States was seen as a great help, and the left-wing and anarchist agitation which was in conflict with the current government.
hope this helps ;)
The Iron Curtain was a metaphorical name for a very real, heavily guarded (hence the "Iron") border between the Communist/Socialist and Capitalist states in Europe. The divide also run from north to south, Separating the continent into Western and Eastern parts - so the correct answer is:
the political divide between Western and Eastern Europe