The island is home to a massive deposit of rare earths, which are crucial to U.S. efforts to maintain its technological lead over China. But tapping them isn't so easy.

Trump has argued that the U.S. acquiring Greenland, an autonomous territory within the Kingdom of Denmark, is critical for U.S. security given the threats posed by Russia and China. The White House has declined to take off the table the option of using the military to acquire Greenland.

Pennsylvania's two sitting senators, Republican Dave McCormick and Democrat John Fetterman, told CBS News they do not support a U.S. military takeover of Greenland.

MACHADO MEETING: Trump met with Venezuelan opposition leader María Corina Machado, who presented him with the Nobel Peace Prize that she won last year. Per the Nobel Institute, a Nobel Prize can’t be revoked, shared or transferred.

Officials from Greenland and Denmark emerged from a high-stakes meeting to hit out at the president’s “unacceptable” demands.

Seeking to calm tensions, Republicans and Democrats affirmed that they supported Denmark’s control of Greenland as President Trump vowed to buy it or take it over.

New polls show 86% of Americans oppose military action to take Greenland as Trump intensifies push for U.S. control of the strategic Arctic territory.

The visit comes after high-level talks in Washington failed to dissuade Trump from his plan to annex the semi-autonomous Danish territory.