Final answer:
Poland, A, B, C, and D were behind the Iron Curtain during the Cold War.
Step-by-step explanation:
The countries that would have been 'behind the Iron Curtain' during the Cold War were:
The Iron Curtain was a term used to describe the division between the communist countries of Eastern Europe, which were under Soviet influence, and the democratic countries of Western Europe. The countries behind the Iron Curtain had limited political and economic freedoms, and were part of the Soviet bloc. The inclusion of Poland in the list is significant because it was one of the countries directly affected by Soviet occupation.
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