NUUK, Greenland (AP) — U.S. President Donald Trump has connected his assertive approach towards Greenland with his previous disappointment over not receiving the Nobel Peace Prize. This revelation came in a text message to Norway’s Prime Minister, Jonas Gahr Støre, where Trump expressed that he no longer felt compelled to focus solely on peace.

The message has intensified tensions between Washington and its closest allies, following Trump’s controversial idea of acquiring Greenland, which is a self-governing territory under Denmark, a NATO member. In a move that has further escalated the situation, Trump announced a 10% import tax, effective from February, on goods from eight countries supporting Denmark and Greenland, including Norway.

These nations responded strongly to Trump’s actions. Despite the tensions, many of the U.S.’s long-standing allies have stood firm, reiterating that Greenland is not for sale, while still advocating for diplomatic discussions. European Union’s foreign policy leader, Kaja Kallas, conveyed on social media that while the EU does not wish to engage in conflict, it is prepared to defend its position.

The White House has not eliminated the possibility of using force to gain control of Greenland. When questioned about the potential for an invasion, Danish Foreign Minister Lars Løkke Rasmussen remarked on Monday that nothing can be ruled out until the president makes a definitive decision.

The White House has not ruled taking control of the strategic Arctic island by force. Asked whether Trump could invade Greenland, Danish Foreign Minister Lars Løkke Rasmussen said on Monday that “you can’t leave anything out until the president himself has decided to leave anything out.”

British Prime Minister Keir Starmer also sought to de-escalate tensions on Monday. “I think this can be resolved and should be resolved through calm discussion,” he said, adding that he did not believe military action would occur.

Strong opposition in Greenland to U.S. threats

In a sign of how tensions have increased in recent days, thousands of Greenlanders marched over the weekend in protest of any effort to take over their island. Greenland Prime Minister Jens-Frederik Nielsen said in a Facebook post Monday that the tariff threats would not change their stance.

“We will not be pressured,” he wrote.

Meanwhile, Naaja Nathanielsen, Greenland’s minister for business, minerals, energy, justice and equality, told The Associated Press that she was moved by the quick response of allies to the tariff threat and said it showed that countries realize “this is about more than Greenland.”

“I think a lot of countries are afraid that if they let Greenland go, what would be next?”

Trump cites Nobel as escalation in text to Norwegian leader

Trump’s Sunday message to Gahr Støre, released by the Norwegian government, read in part: “Considering your Country decided not to give me the Nobel Peace Prize for having stopped 8 Wars PLUS, I no longer feel an obligation to think purely of Peace.”

It concluded: “The World is not secure unless we have Complete and Total Control of Greenland.”

The Norwegian leader said Trump’s message was a reply to an earlier missive sent on behalf of himself and Finnish President Alexander Stubb, in which they conveyed their opposition to the tariff announcement, pointed to a need to de-escalate, and proposed a telephone conversation among the three leaders.

“Norway’s position on Greenland is clear. Greenland is a part of the Kingdom of Denmark, and Norway fully supports the Kingdom of Denmark on this matter,” the Norwegian leader said in a statement. “As regards the Nobel Peace Prize, I have clearly explained, including to President Trump what is well known, the prize is awarded by an independent Nobel Committee and not the Norwegian Government.”

The Norwegian Nobel Committee is an independent body whose five members are appointed by the Norwegian Parliament.

U.S. Treasury Secretary Scott Bessent defended the president’s approach in Greenland during a brief Q&A with reporters in Davos, Switzerland, which is hosting the World Economic Forum meeting this week.

“I think it’s a complete canard that the president would be doing this because of the Nobel,” Bessent said, immediately after saying he did not “know anything about the president’s letter to Norway.”

Trump has openly coveted the peace prize, which the committee awarded to Venezuelan opposition leader María Corina Machado last year. Last week, Machado presented her Nobel medal to Trump, who said he planned to keep it, though the committee said the prize can’t be revoked, transferred or shared with others.

Trump says he will use tariffs as a bargaining chip

In his latest threat of tariffs, Trump indicated they would be retaliation for last week’s deployment of symbolic numbers of troops from the European countries to Greenland — though he also suggested that he was using the tariffs as leverage to negotiate with Denmark.

European governments said that the troops traveled to the island to assess Arctic security, part of a response to Trump’s own concerns about interference from Russia and China.

They are now looking at setting up a more permanent military presence to help guarantee security in the Arctic region, a key demand of the United States, Swedish Defense Minister Pål Jonson said Monday.

Jonson said that European members of NATO are currently “doing what’s called a reconnaissance tour in order to identify what kind of needs there are when it comes to infrastructure and exercises and so forth.”

In a statement on social media, NATO Secretary General Mark Rutte said he had discussed how important the region was for the “collective security” of the security alliance in a Monday meeting with the foreign ministers of Denmark and Greenland.

Six of the eight countries targeted are part of the 27-member European Union, which operates as a single economic zone in terms of trade. European Council President António Costa said Sunday that the bloc’s leaders expressed “readiness to defend ourselves against any form of coercion.” He announced a summit for Thursday evening.

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Associated Press writers Josh Boak in West Palm Beach, Florida; Jill Lawless in London; Molly Quell in The Hague; Lorne Cook in Brussels and Bill Barrow in Atlanta contributed to this report.