What is the political theory that says that if one nation comes under communist control then neighboring nations will also come under communist control?
Which image symbolizes the ideological conflict and physical boundary dividing Europe into two separate areas from the end of World War II in 1945 until the end of the Cold War in 1990?
Who wrote the "Long Telegram," arguing that any softening of the Russian line would be a diversionary tactic designed to lull the West into complacency?
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