The US has long seen Greenland as essential to its defence and its acquisition has been discussed before. Not just in 2019 ...
"Trump might forget about Greenland. But also, he might not. Nobody knows. He operates on whims," @anneapplebaum writes.
The U.S. would inherit an environmental dilemma of its own making if it lays claim to the massive Arctic island.
Trump has ramped up his threats to annex Greenland. Could the incoming US president really bring the Arctic island, which belongs to NATO partner Denmark, permanently under US control?