Question 1: What was the Marshal Plan exactly? Who and why was is put in place? What specific effects did it have? In the long run, was it successful?
Question 2: How did Khruschev "de-stalinize" the Soviet Union during his rule? What did he change and why exactly? This is a period of the Cold War most American have little knowledge of, but it is very important to not see the Soviet Union just as an unchanging monolithic block.