President Donald Trump has come out with a new national security strategy that paints European allies as weak and aims to reassert America’s dominance in the Western Hemisphere.

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 National Security Strategy, which each administration must publish, also said the U.S. should focus on the Western Hemisphere and consider the Middle East a place for investment.

The White House quietly released President Donald Trump’s new national security strategy late Thursday, a 33-page document that elevates his “America First” doctrine and sets out the administration’s realignment of US foreign policy,

U.S. president’s National Security Strategy takes a swipe at alliance members.

The US President has blamed mass migration into Europe for problems including censorship, declining birth rates and the "loss of national identities".

Macron and Trump's complex relationship mixes rivalry with diplomacy as France pushes for European independence from U.S. influence in defense and foreign policy.

President Trump’s new National Security Strategy describes a country that is focused on doing business and reducing migration while avoiding passing judgment on authoritarians.