Which of the following is NOT true about the Theory of Containment?
 A
 Harry Truman disagreed with the Theory of Containment and argued that it would be dangerous for it influence American foreign policy.
 B
 The Theory of Containment contends that the US should be active in preventing the spread of communism into additional territories.
 C
 The Theory of Containment became the basis for American foreign policy through much of the Cold War.