Select the correct answer from each drop-down menu

Joining__1__after__2__was part of the US foreign policy of__3__

1_
A) the World Trade Organization
B) the Marshall Plan
C) the League of Nations
D) the North Atlantic Treaty Organization

2_
A) the Cold War
B) the Gulf War
C) World War I
D) World War II

3_
A) isolationism
B) containment
C) humanitarianism
D) appeasement