All the other time American has tried to secure Greenland, starting in 1860something and many times again it has been with the idea that it will hem...
Which he already has access to via existing treaties. The ice won't melt overnight, in the meantime the US Navy has very little in the way of surface...
The only logical conclusion I can come up with is he's intentionally provoking a crisis with the Europeans to give the US an excuse to withdraw from...