Trump adopts 19th-century foreign policy approach in Latin America

The Trump administration is shifting towards a 19th-century foreign policy model focused on spheres of influence in Latin America.

Trump adopts 19th-century foreign policy approach in Latin America

December 23, 2025

Sofia Delgado

Shifting Foreign Policy Direction

The Trump administration is embracing a foreign policy doctrine reminiscent of the 19th century, focusing on what analysts describe as ‘spheres of influence,’ particularly in Latin America. This marks a significant shift from the post-World War II strategy that has traditionally characterized U.S. global engagement.

In November, the administration unveiled its 2025 National Security Strategy, which outlines this new direction by asserting a ‘Trump Corollary’ to the Monroe Doctrine. This refers to President Monroe’s historical declaration aimed at preventing European interference in Latin America and Theodore Roosevelt’s assertion of U.S. authority in the region.

This strategic pivot has sparked debate among national security experts and raised concerns among some European allies who fear being sidelined. Joseph DeTrani, former Associate Director of National Intelligence, noted that the administration prioritizes U.S. core interests over maintaining a rules-based international order, suggesting that allies will need to bolster their own defense capabilities.

A tangible expression of this doctrine is seen in the significant U.S. military presence near Venezuela, where numerous warships, including the USS Gerald Ford aircraft carrier, are stationed. Analysts interpret this military buildup as an effort to reassert U.S. influence in Latin America while countering Chinese military and intelligence activities.

The strategy explicitly aims at curbing China’s reach, stating that the U.S. will combat ‘hostile foreign incursions or ownership of key assets’ and push back against foreign companies involved in infrastructure projects within the Western Hemisphere. However, experts express skepticism about whether the U.S. can effectively compete with China’s extensive infrastructure investments across countries like Peru, Brazil, Chile, Colombia, and Argentina.

Simultaneously, the U.S. is scaling back its global military presence. Trump has called for increased NATO defense spending and shown willingness to consider Russian demands regarding Ukraine peace talks. Reports indicate potential reductions in various military commands while consolidating operations into a single Americas Command focused on regional issues.

The administration has also ramped up counternarcotics initiatives by designating Venezuela’s Maduro government as a terrorist organization and conducting numerous airstrikes on vessels suspected of drug trafficking—resulting in at least 99 fatalities. Critics warn that this could lead to an indefinite conflict with ambiguous targeting criteria.

Some analysts caution that efforts to exclude China from Latin America might inadvertently reduce infrastructure investment and increase migration pressures at the U.S.-Mexico border. Critics argue that this strategy revives unpopular notions of American imperialism; however, supporters contend that maintaining control over the Western Hemisphere is crucial for preserving America’s status as a global power.

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