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| United States foreign relations | |
|---|---|
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| Name | United States foreign relations |
| Caption | Flag associated with many diplomatic missions such as the Embassy of the United States, London and United States Embassy, Tokyo |
| Established | 1776 |
United States foreign relations The foreign relations of the United States encompass interactions between the United States and other countries, international organizations, and non-state actors, shaped by treaties, diplomacy, military actions, and economic policy. Influential events and actors from the American Revolution through the Cold War to the post-9/11 era have guided relations with allies and rivals across regions including Europe, Asia, Africa, Latin America, and the Middle East. Policy has been formulated through institutions such as the Department of State, the National Security Council, and the United States Congress, while treaties like the Treaty of Paris (1783), the North Atlantic Treaty, and the Treaty on the Non-Proliferation of Nuclear Weapons anchor legal commitments.
From the early republic, examples such as the Jay Treaty and the Monroe Doctrine set precedents for interaction with Great Britain and Spain. In the 19th century, events including the Louisiana Purchase, the Mexican–American War, and the Open Door Policy toward China expanded influence. The turn of the 20th century featured the Spanish–American War, the Roosevelt Corollary, and the construction of the Panama Canal, affecting relations with Cuba, Philippines, and Colombia. World conflicts—World War I and World War II—led to the formation of the League of Nations debates and later founding of the United Nations and institutions like the International Monetary Fund and World Bank. The Truman Doctrine, the Marshall Plan, and the NATO alliance defined the Cold War rivalry with the Soviet Union, involving crises such as the Berlin Blockade, the Korean War, the Cuban Missile Crisis, and the Vietnam War. Détente produced agreements like the SALT I and SALT II treaties, while the collapse of the Soviet Union precipitated engagement with successor states and expansion of NATO eastward. Post-1990s policy addressed interventions in the Balkans and responses to Al-Qaeda culminating in the War in Afghanistan and the Iraq War.
Primary diplomatic functions are carried out by the Department of State led by the United States Secretary of State and ambassadors confirmed by the United States Senate. Interagency coordination involves the National Security Council, the Department of Defense, the Central Intelligence Agency, and the United States Agency for International Development. Multilateral diplomacy is enacted through posts to the United States Mission to the United Nations and participation in missions like those of the North Atlantic Treaty Organization and the Organization of American States. Legal instruments often require congressional approval under the United States Constitution’s treaty power and authorities such as the War Powers Resolution. Track-two and public diplomacy employ actors like the Fulbright Program, the United States Information Agency (historical), and non-governmental organizations such as the International Committee of the Red Cross in coordination with U.S. missions.
Doctrines articulating objectives include the Monroe Doctrine, the Truman Doctrine, Reagan Doctrine, and elements of the Bush Doctrine. Strategic priorities have ranged from containment of the Soviet Union to promotion of liberal democracy and protection of energy security tied to regions like the Persian Gulf. Nonproliferation initiatives involve treaties and regimes including the Treaty on the Non-Proliferation of Nuclear Weapons, the Comprehensive Nuclear-Test-Ban Treaty (CTBT), and negotiations with states such as North Korea and Iran under frameworks like the Joint Comprehensive Plan of Action. Counterterrorism strategies have engaged actors including Al-Qaeda, the Islamic State of Iraq and the Levant, and regional partners like Pakistan and Saudi Arabia.
Relations with United Kingdom, France, and Germany anchor transatlantic ties embodied in NATO; ties with Canada are framed by the Canada–United States Free Trade Agreement successor United States–Mexico–Canada Agreement. In Asia, partnerships with Japan, South Korea, Australia, and strategic competition with China shape policy, alongside evolving ties with India and responses to issues involving Taiwan. In the Middle East, relationships with Israel, Egypt, and Turkey intersect with energy diplomacy involving Iran and conflicts in Syria and Yemen. Latin American relations involve countries such as Mexico, Cuba, Colombia, and regional institutions like the Organization of American States; Africa engagements include bilateral ties with South Africa, Nigeria, and security cooperation in the Sahel. Bilateral trade and security arrangements often manifest in agreements like the U.S.–Japan Security Treaty and the Treaty of Friendship, Commerce and Navigation-type arrangements.
The United States is a founding member of the United Nations and participates in UN organs like the UN Security Council; it engages with financial institutions such as the International Monetary Fund and the World Bank. Regional organizations include NATO, the Organization of American States, and partnerships within the Asia-Pacific Economic Cooperation forum and the Association of Southeast Asian Nations through dialogue partners. The U.S. also works through regimes addressing global challenges: the World Health Organization for pandemics, the World Trade Organization for trade disputes, the International Criminal Court (despite jurisdictional tensions), and climate frameworks like the Paris Agreement under the United Nations Framework Convention on Climate Change.
Economic tools include sanctions administered by the Office of Foreign Assets Control of the Department of the Treasury, export controls enforced with agencies like the Bureau of Industry and Security, and trade policy negotiated via mechanisms such as the WTO dispute settlement and bilateral agreements like the USMCA. Aid and development assistance flow through the United States Agency for International Development and multilateral banks like the World Bank. Trade policy has involved disputes with partners like China over tariffs and intellectual property, negotiation of preferential trade programs like the Generalized System of Preferences, and use of instruments such as Section 301 of the Trade Act of 1974.
U.S. military posture is delivered through combatant commands including United States Central Command, United States European Command, and United States Indo-Pacific Command, operating from bases like Ramstein Air Base and Camp Humphreys. Security alliances include NATO, bilateral treaties with Japan and South Korea, and partnerships such as the Five Eyes intelligence alliance. Military interventions have ranged from Operation Desert Storm to Operation Enduring Freedom and Operation Iraqi Freedom, often invoking rules under the United Nations Charter and debates over the War Powers Resolution. Arms control efforts include treaties like the New START Treaty and arrangements such as the Arms Trade Treaty discussions.