The Gestapo had immunity while their leaders were in power too. Afterwards they were tried and they were hanged.

Denmark cannot protect that land from Russia or China, and why do they have a "right of ownership" anyway? There are no written documents, it's only a boat that landed there hundreds of years ago, but we had boats landing there, also.

During 1916, the two sides agreed to a sale price of $25,000,000, and the United States accepted a Danish demand for a declaration stating that they would "not object to the Danish Government extending their political and economic interests to the whole of Greenland". Although it had a claim on northern Greenland based on explorations by Charles Francis Hall[19] and Robert Peary, the United States decided that the purchase was more important, especially because of the nearby Panama Canal.

As awful as things were back during the era of the civil rights campaigns the US was still largely a nation governed by laws and courts willing to back up those laws. The Trump regime is lawless and will not be persuaded by anything nonviolent.