James Monroe was the President of the United States in 1823.
James Monroe was the 5th President of the United States from 1817 March 4 to 1825 March 4.
He announced the Monroe Doctrine in 1823.
President James Monroe issued the Monroe Doctrine in 1823.
James Monroe
he prohibited foreign nations from establishing colonies in the Americas
warn European nations against further colonial ventures in the Western Hemisphere
James Monroe He was president until 1825.
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1823
President James Madison established the Monroe Doctrine on December 2 in 1823.
Theodore Roosevelt
He announced the Monroe Doctrine in 1823.
President James Monroe issued the Monroe Doctrine in 1823.
December 2, 1823 by President Monroe during his annual message to congress.
James Monroe
The Monroe Doctrine
You should be more specific: there have been dozens of presidents since Mexico became a republic in 1823.
he prohibited foreign nations from establishing colonies in the Americas