Trump’s Threats to Greenland Raise Serious Questions for NATO NYT Par :Lara Jakes 14 janvier 2026 à 10:56 The treaty that created NATO did not contemplate an attack by one ally on another. A seizure of Greenland by President Trump would test the endurance of the mutual-defense pact. © Ivor Prickett for The New York TimesA frozen corner of the main fishing harbor in Nuuk, the capital of Greenland.