Donald Trump’s focus on Greenland highlights its strategic importance, vast resources, and role in Arctic geopolitics. A deep dive into his ambitions, whether he can actually buy Greenland and what it means for U.

European leaders expressed their confusion and pushed back Wednesday against President-elect Donald Trump's refusal to rule out using military force to take over Greenland.

In recent weeks, Trump has ramped up his attacks on allies. He’s threatened to impose tariffs on Canada, Mexico and the European Union. He’s mocked Canada as the “51st state” and blamed Mexico for fentanyl overdoses in the U.S.