By EMMA BURROWS, DANIEL NIEMANN and STEFANIE DAZIO NUUK, Greenland (AP) — Thousands of Greenlanders carefully marched across snow and ice to take a stand against U.S. President Donald Trump

Thousands marched in the capitals of Greenland and Denmark, united in their rejection of Donald Trump's expansionist ambitions for the Inuit island.

Besides fishing, the only major source of income that Greenland has is a generous annual subsidy from Copenhagen worth about $600mn. This makes up about half of government revenues and enables Greenland to provide a European-style welfare system that it would otherwise be unable to afford.

The Danes have tried everything to pacify an unpredictable president. Now they may be reaching their red line.

Denmark's self-governing territory Greenland hopes to cut all ties with Copenhagen but leaders are proceeding cautiously with independence plans despite US President Donald Trump's threats to take over the Arctic island.

Greenland Prime Minister Jens-Frederik Nielsen was among what has been described as the island's biggest protest, drawing nearly a quarter of Nuuk's population.

Trump's tariff threat has prompted a wave of condemnation from EU leaders, and the promise of a coordinated response