U.S. President Donald Trump’s recent national security strategy seems to challenge the core principles of European collective defense that have been in place for the past 80 years, shaking the foundation of the continent’s relationship with the United States.
However, many European capitals may require further persuasion on whether the White House can or will implement some of its more radical or transformative requests. Trump’s new policy portrays European governments as feeble and ineffective, attributing the continent’s loss of self-confidence to migration and alleging that the European Union has contributed to a decline in national sovereignty, weakened political freedoms, and reduced the efficacy of individual nation states.
The strategy does not address Russia as an adversary or the instigator of the ongoing conflict with Ukraine. Instead, it focuses on restoring “strategic stability” with Russia rather than prioritizing the defeat of Russia and the return of Ukraine’s territories.
In various instances, Trump’s strategy seems to promote the Make America Great Again movement in Europe and align with policies of far-right parties, such as Germany’s AfD, especially regarding the negative effects of immigration. It suggests that the United States should exert pressure on Europe to resist its current trajectory, shifting the traditional ally-adversary dynamic.
The document signals a significant shift by portraying American responsibility for defending Europe as conditional and limited, marking a departure from the previous unwavering support. While the U.S. remains committed to NATO, the strategy emphasizes a more mediating role in resolving European conflicts with Russia rather than being the primary supporter.
Despite initial concerns and outrage from European security analysts and some EU leaders following the release of the strategy, reactions have since softened. German Chancellor Friedrich Merz finds parts of the strategy “understandable” and “comprehensible,” acknowledging the need for Europe to be more independent in security policy. Polish Prime Minister Donald Tusk, while opposing the strategy, emphasizes the importance of unity and common enemies between the U.S. and Europe.
The document’s emphasis on the United States’ interests and its critique of the European Union have raised questions about the future of transatlantic relations. While some European nations have expressed concerns, the lack of specific threats in the document has led to uncertainty about its implementation. Analysts suggest internal opposition within the U.S. administration and Congress to certain aspects of the strategy could impact its execution.
European leaders are weighing their options in response to Trump’s directives, with differing opinions on the need for a significant shift in policies. Despite acknowledging some valid points in the document, there is little indication of a dramatic reset in Europe’s approach at this time.

