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US Monroe Doctrine

Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examWritten by the Fiveable Content Team • Last updated September 2025

Definition

The US Monroe Doctrine, proclaimed in 1823, was a foreign policy statement asserting that the Americas were off-limits to further European colonization and interference. It reflected the growing nationalism of the United States and aimed to protect newly independent nations in Latin America from European imperial ambitions, signifying a shift in the balance of power in the Western Hemisphere.

5 Must Know Facts For Your Next Test

  1. The Monroe Doctrine was articulated during President James Monroe's annual message to Congress on December 2, 1823, marking a significant moment in American foreign policy.
  2. The doctrine established a clear distinction between the Western Hemisphere and European affairs, warning European powers against interference in Latin America.
  3. Although initially weak and largely symbolic, the Monroe Doctrine was invoked by later presidents as justification for American intervention in Latin America.
  4. The doctrine laid the groundwork for increased American influence in the Caribbean and Central America throughout the 19th and early 20th centuries.
  5. In 1904, Roosevelt expanded upon the Monroe Doctrine with the Roosevelt Corollary, asserting that the US had the right to intervene in Latin American countries to maintain stability.

Review Questions

  • How did the US Monroe Doctrine reflect American nationalism and its evolving foreign policy during the early 19th century?
    • The US Monroe Doctrine was a clear expression of American nationalism as it asserted that the United States had a pivotal role in protecting newly independent nations in Latin America. This policy marked a shift towards a more assertive foreign stance where the US aimed to prevent European powers from reasserting control over these territories. By defining the Americas as a sphere of influence exclusive to the US, it demonstrated a growing confidence in America's ability to shape its own destiny on the global stage.
  • Discuss how subsequent presidents utilized or expanded upon the Monroe Doctrine to justify their foreign policies.
    • Subsequent presidents invoked the Monroe Doctrine as a basis for various foreign interventions throughout the late 19th and early 20th centuries. For instance, Theodore Roosevelt expanded it with his Corollary, which justified US intervention in Latin America under the pretext of maintaining order and preventing European influence. This shift illustrated an evolution from a passive declaration to an active involvement, where leaders like Roosevelt employed military action to enforce American interests in line with the original doctrine's principles.
  • Evaluate the long-term implications of the Monroe Doctrine on US-Latin American relations and how it shaped perceptions of American intervention.
    • The long-term implications of the Monroe Doctrine significantly shaped US-Latin American relations by establishing a precedent for American interventionism that persisted into the 20th century. While it initially aimed to protect Latin American nations from European colonization, it often led to perceptions of the US as a hegemonic power willing to exert control over its neighbors. This attitude fostered both dependency and resentment among Latin American countries, influencing their political landscapes and complicating diplomatic relations with the United States for decades.

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