Ix The MOST important aspect of the Monroe Doctrine (1823)was that it x A prevented an invasion of French forces into Mexico. square prevented an invasion of British forces into Argentina. C showed the U.S backed the independence of Latin America. square D allowed the powerful U.S. navy to patrol the South American coast.

The correct answer is C. The Monroe Doctrine (1823) was a significant policy statement by the United States that aimed to prevent further European colonization in the Americas and to support the independence of Latin American countries. It declared that the Western Hemisphere was no longer open for colonization by European powers and that any attempt with states in the Americas would be viewed as acts of aggression requiring U.S. intervention. Therefore, the most important aspect of the Monroe Doctrine was that it showed the U.S. backed the independence of Latin America.