Monroe Doctrine

The Monroe Doctrine is a policy of the United States introduced on December 2, 1823. It stated that further efforts by European countries to colonize land or interfere with states in the Americas would be viewed as acts of aggression requiring U.S. intervention (however, the wording referred to the entire Western Hemisphere, which actually includes much of Europe and Africa). The doctrine was introduced by President Monroe when he was enraged at the actions being executed around him. The Monroe Doctrine asserted that the Americas were not to be further colonized by European countries but that the United States would neither interfere with existing European colonies nor meddle in the internal concerns of European countries. The Doctrine was issued at a time when many Latin American countries were on the verge of becoming independent from the Spanish Empire. The United States, reflecting concerns raised by Great Britain, ultimately hoped to avoid having any European power take over Spain's colonies.Herring, George C., From Colony to Superpower: U.S. Foreign Relations Since 1776, (2008) pp. 153-155

The US President, James Monroe, first stated the doctrine during his seventh annual State of the Union Address to Congress. It became a defining moment in the foreign policy of the United States and one of its longest-standing tenets, and would be invoked by many...
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