Denmark's Prime Minister Mette Frederiksen said on Wednesday she had spoken on the phone with U.S. President-elect Donald Trump and told him that it is up to Greenland itself to decide on any independence.

Greenland must make its own decisions about independence from Denmark, Prime Minister Mette Frederiksen told President-elect Trump in a Wednesday phone call. The big picture: Trump, since his first term, has repeatedly floated the idea of the U.S. buying Greenland even though the island's leaders have said it is not for sale.

When President-elect Donald Trump mused about buying Greenland from Denmark during his first administration, the Danish prime minister called the idea “absurd” and rebuffed him outright.

Mexican President Claudia Sheinbaum on Monday rolled out an economic plan aimed at curbing imports from China in an apparent nod to U.S. President-elect Donald Trump and his allegations that Mexico is a back door for Chinese goods entering the United States.

The U.S. ally is signaling its willingness to negotiate military and economic matters related to the island but not to sell it.

Trump’s talk of acquiring the island has raised the profile of Greenland, but it has also prompted some anxieties