The commander of the base wrote, “I do not presume to understand current politics, but what I do know is the concerns of the US administration discussed by Vice-President Vance on Friday are not reflective of Pituffik Space Base.” in an email and was thus dismissed. In dismissing her, the Pentagon stated this reason. “Actions [that] undermine the chain of command or to subvert President [Donald] Trump’s agenda will not be tolerated at the Department of Defense.”
Ideally, yes, but I’m not sure what type of agreement they have in place. It can give US a reason to invade. Trump is probably looking for a reason to justify invasion.
He might create one actually anyway, Like WMDs in Iraq or Putin version, nazis in Ukraine or NATO expansion in Ukraine.
One of the main real reasons Crimea in Ukraine was invaded was due to access to Sevastopol port.
Greenland is part of Denmark and Denmark is part of NATO. If Trump invades Greenland that would be next level stupid