who was the true author of the monroe doctrine?
Secretary of State John Quincy Adams, author of the Monroe Doctrine The Monroe Doctrine was a United States policy of opposing European colonialism in the Americas beginning in 1823. It stated that further efforts by European nations to take control of any independent state in North or South America would be viewed as the manifestation of an unfriendly disposition toward the United States. At the same time, the doctrine noted that the U.S. would recognize and not interfere with existing European colonies nor meddle in the internal concerns of European countrie