I believe that it was the Monroe Doctrine.
The Roosevelt Corollary
the media influences American foreign policy by using propaganda
American products in foreign markets
congress passed the embargo act of 1807, forbade american ships from sailing to foreign ports
Isolationism
Named for President James Monroe, the Monroe Doctrine is/was America's foreign policy regarding the Western Hemisphere.
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Though many decades passed before Monroe's plan was implemented, it became the first real doctrine of American foreign policy. In the 20th Century, the Monroe Doctrine became a foundation of U.S. foreign policy in the Western Hemisphere.
A basic position in American foreign policy has been that America must defend its foreign interest related to trade and security; the main foreign policy position opposing this American policy is militarism.
Thomas O. Enders has written: 'Maintaining momentum toward an open world economy' -- subject(s): Economic development, Foreign relations 'Areas of challenge in the Americas' -- subject(s): Foreign relations 'Certification of progress in El Salvador' -- subject(s): Foreign relations 'El Salvador, the search for peace' -- subject(s): Foreign relations 'Tasks for U.S. foreign policy in the hemisphere' -- subject(s): Foreign relations 'Bilateral assistance for Latin America and the Caribbean, FY 1984' -- subject(s): American Economic assistance 'Radio Marti and Cuban interference' -- subject(s): Radio broadcasting policy, Radio, Interference 'Nicaragua, threat to peace in Central America' -- subject(s): Foreign relations 'U.S.-Latin American relations' -- subject(s): Foreign relations 'Building the peace in Central America' -- subject(s): Foreign relations
Though many decades passed before Monroe's plan was implemented, it became the first real doctrine of American foreign policy. In the 20th Century, the Monroe Doctrine became a foundation of U.S. foreign policy in the Western Hemisphere.
The Monroe Doctrine, articulated by President James Monroe in 1823, was a pivotal U.S. foreign policy statement asserting that the Americas should be free from European colonialism and interference. It declared that any European attempts to colonize or interfere in the Western Hemisphere would be viewed as acts of aggression, warranting U.S. intervention. The doctrine aimed to protect newly independent nations in Latin America and solidify U.S. influence in the region. Over time, it became a foundational principle of American foreign policy in the Western Hemisphere.
Monroe Doctrine.
The Monroe Doctrine, articulated by President James Monroe in 1823, aimed to deter European colonial interference in the Americas. It asserted that any attempt by European powers to colonize or interfere in the Western Hemisphere would be viewed as a hostile act against the United States. The doctrine established a key principle of American foreign policy, emphasizing the Western Hemisphere as a sphere of influence for the U.S. and promoting the idea of regional autonomy and independence for Latin American nations.
foreign interference
The belief that shaped President Theodore Roosevelt's foreign policy in the Western Hemisphere was the Roosevelt Corollary. It asserted the right of the United States to intervene in Latin American countries to maintain stability and prevent European powers from intervening. This policy aimed to protect American interests and establish the United States as a dominant power in the region.
its long standing support of Israel, and the critical importance of arab oil.