Denmark's Prime Minister Mette Frederiksen said on Tuesday following a meeting with French President Emmanuel Macron that political leaders in Europe and beyond have given full backing to maintain respects for international borders.

The Prime Minister of Denmark, Mette Frederiksen, is appealing to her European allies for help in dealing with US President Donald Trump's demands to appropriate Greenland, Bloomberg reports. Frederiksen is touring major capitals after a $2 billion investment in the defense of the Arctic island,

Interest in buying Greenland has "popped up from time to time in American politics," Tom Høyem, Denmark's former minister to Greenland, told ABC News in an interview.

Denmark said on Monday it would spend 14.6 billion Danish kroner ($2.05 billion) boosting its military capabilities in the Arctic – a decision that comes amid continuing furor following US President Donald Trump’s renewed interest in controlling Greenland,

The Secretary-General of NATO, Mark Rutte, and the Prime Minister of Denmark, Mette Frederiksen, have agreed on the need to strengthen defenses in the Arctic, according to a Reuters source knowledgeable about the discussions.

Denmark has unveiled plans to allocate around DKr14bn (equivalent to $1.96bn) for the enhancement of its military capabilities in the Arctic and North Atlantic territories. The consensus on this allocation was reached by the political parties including the Greenlandic and Faroese Governments that support the 2024-2033 Danish Defence Agreement.