The Monroe Doctrine

The Monroe Doctrine, a defining principle in American foreign policy, was articulated by President James Monroe on December 2, 1823. This doctrine has shaped the United States’ role in the Western Hemisphere and its relations with European powers over the years.

The early 19th century was a period of significant political change, particularly in the Americas. Following a wave of independence movements, many Latin American countries were freeing themselves from European colonial rule. The United States, itself a relatively young nation, watched these developments with keen interest. The Monroe Doctrine emerged in this context, partly influenced by the broader political climate of the era, including the Holy Alliance formed by Russia, Prussia, and Austria, and the fear of European intervention in the newly independent Latin American nations.

Gillam’s 1896 political cartoon, Uncle Sam stands with rifle between the Europeans and Latin Americans Public Domain

The Monroe Doctrine contained two primary principles: non-colonization and non-interference. Firstly, it asserted that the Western Hemisphere was no longer open to European colonization. This declaration was partly a response to Russia’s territorial ambitions in the Pacific Northwest. Secondly, it proclaimed that the United States would view any attempt by European powers to extend their political system to any part of the Western Hemisphere as a threat to its peace and safety.

Throughout the 19th century, the Monroe Doctrine was invoked several times, most notably during the Texas Revolution and the Mexican-American War. However, its true test came in the late 19th and early 20th centuries when European powers began to demonstrate renewed interest in the region. The Doctrine was interpreted and expanded by successive American Presidents, including Theodore Roosevelt, who added the Roosevelt Corollary. This amendment justified American intervention in the internal affairs of Latin American nations, ostensibly to prevent European intervention.


In the news today: The Monroe Doctrine played a significant role in the dispute between Venezuela and Great Britain in the late 19th century, exemplifying its use as a diplomatic tool in asserting U.S. influence in the Western Hemisphere.

The dispute centered around the boundary between Venezuela and British Guiana (now Guyana). This boundary had been contested since the early 19th century, but tensions escalated in the 1890s. Venezuela claimed a large portion of the territory that was under British control. As the situation intensified, the United States, under President Grover Cleveland, became increasingly involved.

The United States’ involvement in the Venezuela-Great Britain dispute was a direct application of the Monroe Doctrine. Secretary of State Richard Olney played a pivotal role in this by asserting that the Monroe Doctrine gave the U.S. a right to intervene in any dispute in the Americas. In a message to the British government, Olney stated that the United States was practically sovereign on this continent and that no European intervention would be tolerated.

This bold assertion of the Monroe Doctrine took the British by surprise. The United Kingdom, then a global superpower, was initially resistant to American involvement. However, several factors influenced Britain’s response, including its preoccupation with other colonial issues in Africa and its desire to maintain good relations with the United States, particularly as tensions with other European powers were rising.

Ultimately, the dispute was resolved through arbitration. The U.S. intervention, under the aegis of the Monroe Doctrine, did not result in direct military involvement but in diplomatic pressure. The arbitration panel largely upheld the British claim in 1899, but the U.S. intervention marked a significant moment in the application of the Monroe Doctrine.

This incident illustrated the United States’ growing assertiveness on the international stage and its willingness to apply the Monroe Doctrine beyond mere rhetoric. It also set a precedent for future U.S. interventions in Latin America and the Caribbean, often under the guise of the Monroe Doctrine.

The Venezuela-Great Britain dispute is a key example of the Monroe Doctrine’s evolution from a principle of resistance against European colonization to a tool of American diplomatic and political intervention in the Western Hemisphere. It marked a turning point in the United States’ role in international affairs, particularly in its relationship with European powers and its influence in Latin American affairs.


The Monroe Doctrine’s legacy is complex and multi-faceted. On one hand, it has been viewed as a bold assertion of American sovereignty and a protector of Latin American independence from European imperialism. On the other hand, it has been criticized as a pretext for American imperialism in the Western Hemisphere, especially considering the U.S. interventions in Latin America during the 20th century.

Throughout the Cold War, the Monroe Doctrine was cited as a rationale for American involvement in the political affairs of Latin American countries, often in the name of containing communism. This interventionist approach has left a lasting impact on U.S.-Latin American relations, with some critics arguing that it fostered resentment and suspicion towards the United States in the region.

The Monroe Doctrine has been a cornerstone of American foreign policy for nearly two centuries. While initially framed as a policy of resistance to European colonialism, its application over the years has evolved, reflecting the changing dynamics of international politics and America’s role in the world. Its legacy continues to influence the foreign policy decisions and international relations of the United States, particularly in the Western Hemisphere.

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