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American History

15 Reasons Why the Monroe Doctrine Was a Game-Changer for U.S. Foreign Policy

Darren April 7, 2026 6 min

12. Redefined the Concept of Colonialism

12. Redefined the Concept of Colonialism
The Monroe Doctrine established a foundation for independent republics in the Americas.

The Monroe Doctrine was a first in international policy: it rejected the old European model of colonization in the Americas and paved the way for new republics to thrive independently (britannica.com).

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Darren

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