Denmark agreed on Friday to discuss the Arctic region with Washington, Foreign Minister Lars Lokke Rasmussen said, after his first phone call with the top diplomat of the administration of President Donald Trump,

The move comes after President Donald Trump voiced his desire to acquire Greenland and refused to rule out using military force.

Denmark boosted military spending by $2 billion amid President Donald Trump’s bid to acquire its prized Arctic territory, Greenland. After saying earlier this month that Denmark had neglected defense spending for Greenland for years,

Denmark this week announced a $2 billion security package for Greenland, making another large commitment to the defense of the Arctic nation as President Trump repeatedly calls to acquire the island.