American Foreign policy
The main stated aims of the U.S foreign policy, are "to frame and maintain a more democratic, secure, and prosperous world for the interest of the American people and the international community.
The United States House Committee on Foreign export controls, on the following issues: non-proliferation of nuclear technology and nuclear hardware, foster commercial ties with foreign nations and to protect American business abroad, international commodity agreements, international education, protection of American citizens abroad and expatriation and U.S. foreign aid
In the 21st century, U.S. impact stand strong but, relatively is declining in terms of economic output compared to rising nations such as China, India, Russia, Brazil, and the newly consolidated European Union, which in 2006 (euro) pushed the dollar to the second position. Substantial problem remains the fight against terrorism and nuclear terrorism, with focus in the middle east.
Subject to the advice and consent role of the U.S. Senate, the President of the United States negotiates treaties with foreign nations, but treaties enter into force if ratified by two-thirds of the Senate. The President is also Commander in Chief of the United States Armed Forces, and as such has broad authority over the armed forces; however only Congress has authority to declare war, and the civilian and military budget is written by the Congress. The United States Secretary of State is the foreign minister of the United States and is the primary conductor of state-to-state diplomacy. Both the Secretary of State and ambassadors are appointed by the President, with the advice and consent of the Senate. Congress also has power to regulate commerce with foreign nations.
The main trend regarding the history of U.S. foreign policy since the American Revolution is the shift from non-interventionism before and after World War I, to its growth as a world power and global hegemony during and since World War II and the end of the Cold War in the 20th century. Since the 19th century, US foreign policy also has been characterized by a shift from the realist school to the idealistic or Wilsonian school of international relations.
Foreign policy themes were expressed considerably in George Washington's farewell address; these included among other things, observing good faith and justice towards all nations and cultivating peace and harmony with all, excluding both "inveterate antipathies against particular nations, and passionate attachments for others
In general, the United States followed an isolationist foreign policy until attacks against U.S. shipping by Barbary corsairs spurred the country into developing a naval force projection capability, resulting in the First Barbary War in 1801.
Despite occasional entanglements with European Powers such as the War of 1812 and the 1898 Spanish-American War, U.S. foreign policy was marked by steady expansion of its foreign trade and scope during the 19th century, and it maintained its policy of avoiding wars with and between European powers.