What Was the Purpose of the Truman Doctrine

Multiple Choice

What was the purpose of the Truman Doctrine?

A) Intervention by the US and France in the war in Vietnam.
B) The formation of the North Atlantic Treaty Organization.
C) The formation of the Warsaw Pact and Iron Curtain.
D) The US pledged to defend governments throughout the world from communism.
E) The US intent to pursue war crimes trials against former Nazis.