The Beginning of the Cold War: Understanding the Truman Doctrine

The Truman Doctrine marked the beginning of the Cold War. It was a policy announced by President Harry S. Truman in 1947, pledging US support for countries resisting Soviet influence. This doctrine, along with the Marshall Plan, signaled the start of the Cold War era, a period of geopolitical tension between the United States and the Soviet Union. The Truman Doctrine became a cornerstone of American foreign policy and helped shape the global political landscape for decades to come.