Truman Doctrine and Marshall Plan: Cold War 1–3 Day Inquiry Lesson PlanEssential QuestionHow did the Truman Doctrine and Marshall Plan shape early Cold War policy by helping the United States contain communism, support struggling nations, rebuild Europe, and increase American influence after World War II? Directions: Use this question to guide your research. Focus on Harry S. Truman, the Truman Doctrine, the Marshall Plan, Cold War, containment, communism, Soviet Union, Greece, Turkey, Wester