Trump’s Foreign Policy: Return to Spheres of Influence

January 15, 2026

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Trump’s new foreign policy approach threatens to reshape international norms with a bold return to spheres of influence, sparking global debate. The administration’s new National Security Strategy, informally dubbed the “Trump Corollary,” emphasizes American dominance in the Western Hemisphere, a strategic shift highlighted by actions in Venezuela and efforts to coerce Greenland. This revival of historical power politics is lauded by proponents as a way to reduce global overreach but is simultaneously criticized for potentially emboldening authoritarian powers and undermining the established post-1945 liberal order.

Story Snapshot

Trump’s foreign policy aims to re-establish U.S. dominance in the Western Hemisphere.
Recent actions in Venezuela and Greenland highlight this strategic shift.
Critics worry this approach may encourage authoritarian powers.
Proponents argue it could reduce U.S. overreach and global clashes.

Trump’s Strategic Shift in Foreign Policy

In 2025, the Trump administration introduced a new National Security Strategy emphasizing American dominance in the Western Hemisphere. This strategy, informally dubbed the “Trump Corollary,” seeks to deny non-hemispheric competitors access to strategic assets. This approach is seen as a revival of historical sphere-of-influence politics, which previously guided U.S. policy in the Americas through doctrines like the Monroe and Roosevelt Corollaries.

Trump’s actions, such as the military raid in Caracas to capture Venezuelan President Nicolás Maduro, have been perceived as a clear operational assertion of this strategy. The administration’s efforts to coerce Greenland into becoming a U.S. territory further highlight this shift. These moves are intended to reassert U.S. power and secure strategic resources, but they have also sparked international controversy and debate.

Donald Trump, Greenland and the Return of Imperial Logic – YouTube

The Debate Over Spheres of Influence

The concept of spheres of influence is not new. Historically, it refers to geographic regions where great powers claim special interests and the right to shape outcomes. Trump’s recent actions have reignited this debate, with supporters arguing that acknowledging such spheres could limit U.S. overextension and reduce direct conflicts with other major powers like Russia and China. By focusing on the Western Hemisphere, the administration aims to narrow U.S. commitments and push allies to take on more responsibilities.

However, critics caution that this approach might embolden authoritarian regimes and undermine the post-1945 liberal order that prioritizes sovereign equality and universal rules. They argue that Trump’s rhetoric and actions could be seen as a retreat from multilateralism and an embrace of power politics that could destabilize international norms.

Potential Implications and Reactions

The implications of Trump’s policy shift are significant. Venezuela, post-Maduro, remains under a regime pushed to align more closely with U.S. interests, creating potential for internal conflict. The administration’s coercive tactics with allies like Denmark over Greenland have strained traditional alliances, raising concerns about sovereignty and alliance norms.

Globally, this strategy signals to rivals like Russia and China that the U.S. is willing to use military force and economic pressure to secure its sphere of influence. Yet, the lack of a clear reciprocal restraint from these powers complicates the traditional realist model of mutual spheres. As the U.S. continues to pull back from international organizations, this shift towards a transactional, power-centric foreign policy could reshape global power dynamics.

Watch: A Return to Spheres of Influence – YouTube