US National Security Strategy 2025

On December 4, 2025, the Trump administration published its 2025 National Security Strategy (NSS), a wide-ranging document that spells out President Trump's foreign policy aims and how the country should attain them. The policy, while criticizing US allies in Europe, emphasizes the need for US “preeminence” in the Western Hemisphere, reflecting President Trump's push for regional dominance. It also calls for balancing trade with China and deterring it from seizing Taiwan. It further focuses on building up a larger military presence in the Western Hemisphere, balancing global trade, tightening up border security and winning the culture war with Europe.

“After years of neglect, the United States will reassert and enforce the Monroe Doctrine to restore American preeminence in the Western Hemisphere and to protect our homeland and our access to key geographies throughout the region,” the document states. Below is a breakdown of what the strategy says — and what it means.