Question: What was an early event in the Cold War?

Answer: Stalin kept troops in Eastern Europe instead of holding promised elections.

Question: What was the Iron Curtain?

Answer: The imaginary wall separating communist countries from democracies.

Question: What is the policy of containment forged be American diplomat George F Kennan?

Answer: a plan to firmly oppose Soviet expansion and keeping communism in check.

Question: What was the Truman Doctrine?

Answer: the U.S. policy of giving economic and military aid to countries to restrict the spread of communism

Question: What was the Berlin Airlift?

Answer: the American and British response to the Soviet blockade of Berlin