Explained: Can Trump's Threat To Seize Greenland Break NATO

President Donald Trump's repeated threats to seize control of Greenland are straining relations with US allies in NATO and have sparked a warning that doing so by force could spell the end of the world's biggest security alliance.

Explained: Can Trump's Threat To Seize Greenland Break NATO
President Donald Trump's repeated threats to seize control of Greenland are straining relations with US allies in NATO and have sparked a warning that doing so by force could spell the end of the world's biggest security alliance.