Speaking at the World Economic Forum in Davos on Wednesday, US President Donald Trump reiterated his interest in acquiring Greenland, telling an audience of global leaders that while Washington would not use military force, its strategic interest in the island was non-negotiable. To justify his position, Trump invoked history, pointing to the United States' role in safeguarding Greenland during World War II. Recalling that period, he said that the US "saved Greenland and successfully prevented our enemies from gaining a foothold in our hemisphere". That historical claim is partly true. Following Nazi Germany's occupation of Denmark, the United States stepped...