As the president-elect's call to buy—or take—a sovereign country moves from punchline to possibility, a look at the real stakes of the Arctic’s mounting cold war.

Trump’s fixation with Greenland has been backed by his party, including Republican congressman Andy Ogles, who authored a bill to allow the U.S. to purchase the island and told Fox News Tuesday: “We are, quite frankly, the dominant predator.”

President Donald Trump has said he believes the US will gain control of Greenland, after showing renewed interest in acquiring the autonomous Danish territory in recent weeks. "I think we're going to have it,