Denmark is confronting an unusual dispute with the United States over control of Greenland, a Danish territory, as US President Donald Trump pursues full authority over the Arctic island. Trump’s insistence on acquiring Greenland has sparked tensions within NATO, an alliance both countries belong to, raising questions about the alliance’s ability to manage conflicts between member states.
As per a report in India Today.
The situation echoes the 1974 Cyprus crisis when NATO refrained from intervening in hostilities between Greece and Turkey, both members of the alliance. At that time, Denmark reportedly argued that NATO’s mandate did not extend to defending a member state against another member. NATO’s founding principles focus on collective defense against external threats, with Article 5 stating that an attack on one member is an attack on all, but it remains silent on intra-alliance conflicts.
Greenland’s strategic importance and its largely Inuit population seeking greater autonomy complicate the issue. European countries, including the UK and Norway, have expressed support for Denmark through symbolic reconnaissance deployments, while the EU has backed Denmark politically. However, Trump has responded by imposing tariffs on European nations supporting Denmark, escalating the dispute.
Experts warn that a US attempt to seize Greenland could severely damage NATO’s cohesion. Spanish Prime Minister Pedro Sanchez described such a move as potentially the “death knell” for the alliance. NATO Secretary-General Mark Rutte has remained cautious, emphasizing dialogue under Article 4 but refraining from committing to collective defense measures under Article 5, which applies only to external attacks.
The Greenland dispute highlights NATO’s longstanding vulnerability to internal conflicts, as seen in the Cyprus crisis when Greece temporarily withdrew from NATO’s military command. With the US as the dominant military power in the alliance, its confrontation with Denmark presents a unique challenge. The outcome remains uncertain as diplomatic efforts continue amid rising tensions.

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