At the edge of the Arctic, where ice meets geopolitics, the European Union has placed a $232 million wager on the principle that small nations deserve the right to determine their own futures. European Commission President Ursula von der Leyen traveled to Nuuk this week to sign a direct aid commitment to Greenland — a self-governing territory of 57,000 people that has become, improbably, one of the most contested pieces of geography in the world. The visit arrives amid repeated threats by Donald Trump to annex the island by force, and it carries a message older than any alliance: that sovereig