On the edge of a warming Arctic, where melting ice is revealing both new passages and old ambitions, the European Union has planted a flag not of conquest but of partnership. European Commission President Ursula von der Leyen traveled to Nuuk to offer Greenland €200 million and something harder to price: a principled insistence that small peoples retain the right to determine their own futures. The visit was a direct answer to Donald Trump's demands for American control over the island, and a reminder that the rules governing borders and sovereignty are not merely bureaucratic conveniences but