Can someone answer all of these questions please

During the cold war, which of the following groups of countries would have all been"behind the iron curtain"

How did the new working class of the industrial revolution differ from the working classes of the earlier, farm based economy?

The television had many impacts after it's invention. which of the following describes impacts of television? -brought people together -allowed people to see others-people saw america as the land of plenty- all the above