National Security

The Atlantic’s coverage of national security, military intelligence, global conflict, and more

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National Security

Our writers make sense of America’s place in the world, reporting on rising authoritarianism, military technology, and geopolitical conflicts.

Illustration by Anna Ruch / The Atlantic. Sources: Brady-Handy Collection / Library of Congress; J. M. Atwood.

Trump Wants to Be the New Polk

His interest in the 11th president’s legacy has conjured up the specter of manifest destiny.

Illustration by Ben Hickey

America vs. the World

President Trump wants to return to the 19th century’s international order. He will leave America less prosperous—and the whole world less secure.