Dean Acheson

Dean Acheson was an American diplomat and statesman who served as undersecretary and secretary of state. He helped secure congressional support for the Marshall Plan and shaped early Cold War policy.

George C. Marshall: American general and statesman who served as secretary of state and proposed the European Recovery Program. Acheson served as undersecretary under Marshall and succeeded him as secretary of state.
Marshall Plan: A U.S. program that provided economic assistance to help rebuild Western Europe after World War II. As undersecretary, Acheson helped make the case for the aid program to Congress.
Containment: A U.S. strategy to limit the expansion of Soviet power and communist influence. Acheson helped turn containment into a broad framework for American foreign policy.
Harvard Law School: The law school of Harvard University, based in Cambridge, Massachusetts. Acheson earned his law degree there before beginning a career in public service.
Harry S. Truman: The 33rd president of the United States, serving from 1945 to 1953. Acheson became a leading adviser to Truman on foreign policy.
Truman Doctrine: U.S. policy announced in 1947 to support countries resisting communist pressure or armed minorities. Acheson helped develop the policy and explain its stakes to Congress.
National Security Act of 1947: U.S. legislation that reorganized military and intelligence institutions after World War II. Acheson served in the administration that backed this major restructuring of national security.
Felix Frankfurter: American jurist who served as an associate justice of the Supreme Court from 1939 to 1962. Frankfurter, Acheson’s former professor, helped connect him to influential political circles.
John Foster Dulles: American diplomat and politician who served as secretary of state under Dwight D. Eisenhower. Dulles succeeded Acheson and pursued a different style of Cold War diplomacy.
North Atlantic Treaty Organization: A collective-defense alliance founded in 1949 by North American and European countries. Acheson was a central U.S. advocate for the treaty that established the alliance.

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