Some of Donald Trump’s biggest campaign donors and investors, who collectively have hundreds of millions of dollars in financial ties to the US president, are positioned to potentially profit from any American takeover of Greenland, raising even more ethical questions around Trump’s controversial pursuit of the Arctic territory. The administration is in part aiming to secure rare minerals that are essential for the US tech industry and national security, and to potentially reopen oil and gas exploration: “This is about critical minerals, this is about natural resources,” Trump’s national security adviser, Mike Waltz, recently said. A Guardian analysis of campaign...