Greenland's parliament has ratified a trilateral security agreement with the United States and Denmark, passing the deal 16-0 with seven abstentions. The unanimous yes-vote masks genuine tension — those seven abstentions represent nearly a third of the chamber, signaling unresolved anxiety about the terms even among legislators who declined to vote against. The deal, signed in September 2024 on the sidelines of the UN General Assembly by Trump, Danish PM Frederiksen, and Greenlandic PM Nielsen, followed months of behind-the-scenes negotiations triggered by Trump's repeated refusal to rule out military seizure of the island. What began as an existential threat to Greenlandic sovereignty has been channeled into a structured agreement — a diplomatic win measured against the alternative, not against an ideal. The concrete terms are significant. The US gains authorization to "modernise and expand" operations at Pituffik Space Base in northwest Greenland and to establish additional bases on the island. For a territory of 57,000 people sitting atop the world's largest island between two continents, this is a substantial military footprint expansion. The Arctic's strategic value — rare earth minerals, shipping routes opening with ice melt, missile defense positioning — makes this real estate increasingly contested. Greenland's side of the bargain is a sovereignty preservation clause: the agreement explicitly states it will continue to apply even if the island eventually chooses independence from Denmark. This is the structural novelty. Greenlandic Foreign Minister Mute Egede framed ratification as an assertion of self-determination, writing that Greenland "stood firm on fundamental principles" and "chosen dialogue." The language is aspirational but the legal architecture is concrete — the deal decouples security cooperation from the independence question. Danish parliamentary debate is scheduled for later this month, and no US Senate approval is required. The asymmetry matters: the deal's legal force depends on Danish ratification in conjunction with Greenland, giving Copenhagen a theoretical veto but limited political room to exercise it after Greenland's own legislature has spoken. The seven abstentions deserve scrutiny. In a 23-seat parliament, they likely represent legislators who view the deal as the best available option under coercion but refuse to endorse it affirmatively. Opinion polls consistently showed majority Greenlandic opposition to US control. The deal threads this needle — it is not US control, but it is significantly expanded US presence, and the distinction may narrow over decades as bases multiply and economic dependency deepens. The twenty-year question is whether security dependence becomes a one-way ratchet. Expanded US military infrastructure creates facts on the ground that constrain future Greenlandic choices regardless of the sovereignty language in the text. The deal's architects have built in the right legal scaffolding, but the physics of 57,000 people sharing an island with an expanding superpower military presence tends to resolve in one direction.