Who was the first to use the expression "Iron Curtain" about Europe's split into two blocks?
When was the Warsaw Pact or, as it is officially called, "The Warsaw Treaty Organization of Friendship, Cooperation, and Mutual Assistance" dissolved?
What was the pact called that was established on 14 May 1955 as a response to West Germany's integration into NATO?
What was the Cold War?
What was the capital of the former West Germany called?