American foreign policy

American foreign policy
Name	United States foreign relations
Caption	Flag associated with United States international relations
Established	1776
Capital	Washington, D.C.
Head of state	President of the United States
Legislature	United States Congress

Contents

American foreign policy shapes how the United States interacts with states, international organizations, non-state actors, and allies across diplomacy, security, trade, and development. It has evolved through conflicts like the American Revolutionary War and the World War II era, reflecting doctrines articulated by leaders from George Washington to Franklin D. Roosevelt and institutional changes in Washington, D.C.. Policy outcomes connect to treaties such as the Treaty of Paris (1783), the Treaty of Versailles (1919), and the United Nations Charter.

Historical development

From the early republic, traditions from George Washington's Farewell Address shaped an initial posture toward European powers and the French Revolution. The Monroe Doctrine and the Spanish–American War signaled hemispheric engagement, while the World War I era and the League of Nations debate reoriented debates involving figures like Woodrow Wilson. The interwar period and the Great Depression preceded the decisive pivot of World War II under Franklin D. Roosevelt, leading to institutional architecture including the United Nations and the Bretton Woods Conference. The Cold War era featured confrontations such as the Korean War and the Vietnam War, alliances like North Atlantic Treaty Organization and strategic crises including the Cuban Missile Crisis. Post-Cold War policy addressed interventions in the Gulf War (1990–1991), the Balkans, and responses to the September 11 attacks that led to the War in Afghanistan (2001–2021) and the Iraq War. Recent decades involve competition with People's Republic of China, sanctions on Iran, and engagement in multilateral frameworks such as the Paris Agreement.

Doctrinal statements include the Monroe Doctrine, the Truman Doctrine, the Eisenhower Doctrine, and the Reagan Doctrine, each reflecting priorities against perceived threats such as European colonialism, Soviet Union, and communism. Concepts articulated in policies like the Marshall Plan and the Containment strategy influenced relations with Western Europe and NATO. Legal and normative instruments such as the United Nations Charter, the Geneva Conventions, and the North Atlantic Treaty inform limits and obligations. Strategic documents like the National Security Strategy and the National Defense Strategy synthesize priorities involving China–United States relations, Russian Federation, and nuclear deterrence informed by treaties like the Non-Proliferation Treaty.

Key institutions include the Executive Office of the President, the Department of State, the Department of Defense, the United States Congress, and intelligence bodies such as the Central Intelligence Agency and the National Security Agency. Interagency processes involve the National Security Council and statutory authorities like the War Powers Resolution. Legislative oversight occurs through committees such as the House Foreign Affairs Committee and the Senate Foreign Relations Committee, while judicial review may involve the Supreme Court of the United States. Diplomatic practice is conducted via missions to entities like the United Nations and bilateral embassies, staffed by the United States Foreign Service and agencies including the United States Agency for International Development.

Diplomacy uses treaties such as the Camp David Accords and negotiations at forums like the United Nations General Assembly and the World Trade Organization. Economic instruments include trade agreements such as the North American Free Trade Agreement and sanctions regimes administered through the Office of Foreign Assets Control. Security tools range from alliances like NATO and forward deployments exemplified by United States Central Command to covert actions by the Central Intelligence Agency. Development assistance channels include programs by the United States Agency for International Development and multilateral financing via the World Bank and the International Monetary Fund. Legal measures include use of the War Powers Resolution, proclamations under the Trading with the Enemy Act, and enforcement through courts like the International Court of Justice in disputes.

Regional focuses include relationships with Europe via NATO and transatlantic ties, engagement in the Indo-Pacific addressing People's Republic of China and partnerships like with Japan and Australia, and policies toward Middle East challenges involving Israel, Saudi Arabia, and Iran. Latin American policy references the Organization of American States and episodes such as the Bay of Pigs Invasion. African engagement involves forums like the African Union and security cooperation against threats such as terrorism. Thematic priorities encompass non-proliferation (including Joint Comprehensive Plan of Action), climate change via the Paris Agreement, human rights debates involving Amnesty International and Human Rights Watch, counterterrorism after September 11 attacks, and cyber and space governance involving entities such as NATO and United Nations Office for Outer Space Affairs.

Domestic politics shape choices through constituencies including think tanks like the Council on Foreign Relations and the Brookings Institution, interest groups such as the AIPAC and labor unions, and media institutions like The New York Times and The Washington Post. Public opinion during crises like the Vietnam War and the Iraq War influenced policy reversals and elections involving figures such as Lyndon B. Johnson and George W. Bush. Congressional politics, campaign contributions, and advocacy networks interact with executive initiatives, while legal challenges may reach the Supreme Court of the United States.