United States foreign policy

United States foreign policy is the strategies and actions through which the country conducts relations with other countries and international organizations.

United States Department of State: The federal executive department responsible for diplomacy and the conduct of United States foreign relations. It leads diplomatic engagement and advises the president on foreign affairs.
George Washington's Farewell Address: George Washington's 1796 public letter warning against permanent foreign alliances and partisan entanglement. Its caution about alliances became a recurring reference in debates over American engagement.
North Atlantic Treaty Organization: A military alliance founded in 1949 whose members commit to collective defense. It institutionalizes the United States' security commitment to Europe and North America.
Isolationism: A foreign-policy orientation favoring limited involvement in other countries' affairs and international commitments. It contrasts with strategies that seek sustained global engagement.
Marshall Plan: A United States program that provided economic assistance to Western Europe after World War II. It paired recovery aid with a durable American role in Europe's postwar order.
United States Department of Defense: The federal executive department responsible for coordinating and supervising the United States armed forces. Its military planning and operations implement security policy abroad.
Monroe Doctrine: An 1823 United States policy opposing new European colonization and intervention in the Americas. It asserted a distinct American sphere of influence in the Western Hemisphere.
United Nations: An international organization founded in 1945 to promote peace, security, cooperation, and human rights. The United States uses its membership and Security Council seat in multilateral diplomacy.
Internationalism: A foreign-policy orientation favoring active cooperation and engagement among nations. It offers an alternative to withdrawal from international institutions and commitments.
Vietnam War: A war from 1955 to 1975 involving North Vietnam, South Vietnam, and their allies, including the United States. The conflict intensified domestic disputes over intervention and the limits of military power.

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