In the long contest between great powers over the Arctic's strategic future, Denmark finds itself once again at a delicate crossroads — responding to a Trump proposal on Greenland with neither rejection nor embrace, but with the measured openness of a nation that knows its alliances, its obligations, and the limits of its own authority. Greenland, autonomous and increasingly self-assured, is not Denmark's to offer, and Copenhagen's careful language signals that any path forward must pass through Nuuk before it reaches Washington.