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.

France has said the European Union will not allow other nations to attack its "sovereign borders", after US President-Elect Donald Trump refused to rule out using military force to seize Greenland. On Tuesday, Trump reiterated his desire to acquire the autonomous Danish territory, saying it was "critical" for national and economic security.

German Chancellor Olaf Sholz issued a warning to Donald Trump on Wednesday, responding to Trump's inability to rule out the use of military force in his quest to acquire the Danish territory of Greenland,