Why Trump resurrected the Monroe Doctrine - The Indicator from Planet Money Recap

Podcast: The Indicator from Planet Money

Published: 2026-01-15

Duration: 9 minutes

Guests: Jay Sexton, Javier Blas

Summary

President Trump is reviving the Monroe Doctrine to justify interventions in Latin America and Greenland, challenging Chinese influence and securing oil resources.

What Happened

President Donald Trump's recent actions, including a controversial post on Truth Social claiming to be the acting president of Venezuela, have reignited discussions around the Monroe Doctrine. This doctrine, originally articulated by President James Monroe in 1823, aimed to limit European imperialism in the Western Hemisphere but has since evolved under different administrations.

Historian Jay Sexton explains that Monroe's original declaration was not a formal policy or law but rather a statement to Congress meant to keep European powers out of the Americas. Over the years, it has been adapted to support American expansionism, notably by President James Polk to justify the acquisition of California from Mexico.

Theodore Roosevelt further expanded the doctrine with the Roosevelt Corollary, which justified American intervention in Central America. Now, Trump's administration has introduced what some are calling the 'Donroe Doctrine,' signaling a shift in U.S. foreign policy to counter Chinese influence in Latin America.

China's significant investments in Latin America, including Venezuela, have heightened U.S. concerns over economic dominance. Trump's administration sees the Monroe Doctrine as a tool to reassert American influence in the region and protect critical supply chains from hostile foreign control.

Javier Blas, a Bloomberg columnist, ties Trump's focus on Venezuela to his obsession with low oil prices, which he believes influence interest rates and inflation. By controlling oil-rich regions, Trump aims to keep prices low, benefiting his real estate interests that rely on low mortgage rates.

The White House's recent national security strategy document references the Monroe Doctrine, emphasizing goals like preventing mass migration and dismantling criminal networks in the Western Hemisphere. However, the strategy has sparked debate over U.S. interventionism and its long-term implications.

Trump's ambitions extend beyond Latin America, with renewed interest in Greenland and hints at influencing the Panama Canal and even annexing Canada. These actions raise questions about the responsibilities and consequences of such expansive foreign policy moves, echoing Colin Powell's 'pottery barn rule': if you break it, you own it.

Key Insights