NBC Universal, Inc. During remarks to the United Nations in September, President Donald Trump pushed world leaders to close borders to immigrants and asylum seekers.

A new national security document released by the White House late Thursday claimed without evidence that Europe is facing “civilizational erasure” and will be “unrecognizable in 20 years or less” due to immigration that has made European powers militarily weak.

The 33-page document, titled National Security Strategy and dated November 2025, is a detailed expression of President Donald Trump ’s “America First” foreign policy and argues the United States should scale back its vast commitments around the world and focus its efforts on securing the Western Hemisphere.

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