Thursday morning brought a sense of relief but also lingering anxiety across Europe, with unanswered questions about what Trump's new Greenland deal might entail.

President Trump had said there was the "framework" of a deal on Greenland after his talks with the NATO chief.

Denmark’s prime minister is saying after U.S. President Donald Trump announced he agreed a “framework of a future deal” on Arctic security with the head of NATO that her country can’t negotiate on its sovereignty and she has been “informed that this has not been the case.

Trump hasn't said if U.S. ownership of the island territory is part of the deal.

Donald Trump and Nato secretary-general Mark Rutte discussed the renegotiation of a 1951 US-Denmark pact governing the stationing of US troops in Greenland, as part of talks that led the US President to dial back his threats over the Arctic territory.

Trump has repeatedly argued that the U.S. needs Greenland for national security. This week, he seemed to confuse it with Iceland.

Some worried Greenlanders were gathering emergency supplies, with hunters "taking out their rifles" and readying them to defend against any would-be invaders, residents told NBC News.

Greenland's strategic location makes it a focal point if there were to be a nuclear conflict involving Russia, China and the United States. U.S.

Asked whether the agreement involved the U.S. acquiring, Trump paused before replying, “Iit’s a long-term deal.”

A promise to renegotiate a US-Denmark pact that governs American military bases in Greenland was at the core of discussions between Donald Trump and Nato’s secretary-general that led the US president to dial back his threats over the Arctic island.