Monroe Doctrine (US foreign policy)

"While the Monroe Doctrine’s message was designed to keep European powers out of the Western Hemisphere, Roosevelt would strengthen its meaning to justify sending the United States into other countries of the Western Hemisphere" -- archives.gov.
Posted or updated January 03, 2026.
Monroe Doctrine (1823)
EnlargeDownload Link Citation: Message of President James Monroe at the commencement of the first session of the 18th Congress (The Monroe Doctrine), 12/02/1823; Presidential Messages of the 18th Congress, ca. 12/02/1823-ca. 03/03/1825; Record Group 46; Records of the United States Senate, 1789-1990; National Archives. View All Pages in the National Archives Catalog View Transcript The Monroe Doctrine was articulated in President James Monroe’s seventh annual message to Congress on December 2, 1823.
National Archives

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