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During the First World War, as Germany waged submarine warfare against the United Kingdom of Great Britain and Ireland. The ship was identified and torpedoed by the German U-boat U-20 and sank in 18 minutes.
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It stated that further efforts by European nations to colonize land or interfere with states in North or South America would be viewed as acts of aggression, requiring U.S. intervention.
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a corollary to the Monroe Doctrine that was articulated by President Theodore Roosevelt in his State of the Union address in 1904 after the Venezuela Crisis of 1902–03.
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A global war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918. More than 9 million combatants and 7 million civilians died as a result of the war.
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The policy's main principle was to stop the actions of non-intervention and non-interference in the affairs of Latin America.
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The American initiative to aid Europe, in which the United States gave $17 billion in economic support to help.
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The first major foreign crisis for the United States after the end of the Cold War presented itself in August 1990.
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The official name used by the U.S. government for the War in Afghanistan
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The War on Terror (WOT), also known as the Global War on Terrorism (GWOT).
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A 13-day confrontation in October 1962 between the United States and the Soviet Union over Soviet ballistic missiles deployed in Cuba.
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were a series of four coordinated terrorist attacks launched by the Islamic terrorist group al-Qaeda upon the United States in New York City and the Washington, D.C., metropolitan area on Tuesday, September 11, 2001. The attacks killed almost 3,000 people and caused at least $10 billion in property and infrastructure damage.
