It seems the issue boils down to what the Greenlanders want: to become some sort of Venezuela of the north in Trump's imperial crown, and be used to maximize the profits of the American corporations that ultimately get to own it; OR full rights as EU citizens and local autonomy to decide who gets the mining concessions, under competitive terms open to all countries that maximize their profits, which stay in their hands.
The historical path of Greenland in DK is irrelevant.
The historical path of Greenland in DK is irrelevant.