From Wikipedia:
In 1919 Denmark claimed the whole of Greenland as its territory, with Norway's acquiescence (see
Ihlen Declaration). However, in 1921 Denmark proposed to exclude all foreigners from Greenland, creating diplomatic conflict until July 1924, when Denmark agreed that Norwegians could establish hunting and scientific settlements north of 60°27' N.
In June 1931 Hallvard Devold, Chairman of the Norwegian Arctic Trading Company, raised the Norwegian flag at
Myggbukta and on 10 July 1931 a Norwegian royal proclamation was issued, claiming Eastern Greenland as Norwegian territory. Norway claimed that the area was
terra nullius: it had no permanent inhabitants and was for the most part used by Norwegian
whalers and
trappers. The area was defined as "situated between Carlsberg Fjord in the South and
Bessel Fjord in the North", extending from latitude 71°30' to latitude 75°40'N. Although it was not explicitly stated in the proclamation itself, it was assumed that the area was limited to the eastern coast, so that the
Inland Ice constituted its western limit. (The Inland Ice covers five sixths of Greenland's total area, so that only a narrow strip of varying width along the coast is free of permanent ice.)
Norway and
Denmark agreed to settle their dispute over Eastern Greenland in what became known as the "Greenland case" (
Grønlandssaken) at the
Permanent Court of International Justice in 1933. Norway lost and after the ruling it abandoned its claim.
https://en.wikipedia.org/wiki/Erik_the_Red%27s_Land
So what if the Court ruled differently, and Norway was granted possession of the territory? Would relations between the two Nordic countries by significantly affected? Would Norway benefit from the land, or would it prove to be a financial burden?