Which action by the United States government demonstrated its commitment to the foreign policy of containment?
a) the return of the Panama Canal to the Panamanian government
b) the establishment of a "Good Neighbor Policy" with Latin America
c) military intervention to defend South Korea against North Korea
d) the occupation and demilitarization of Japan following World War II
His policy of containment is known as the Truman Doctrine. The Truman Doctrine demonstrated that the United States would not return to isolationism after World War II, but rather take an active role in world affairs.