The Nuremberg prosecutors wanted to indict the Nazis on trial for crimes, but at the same time they wanted to preserve the dogma that the modern European nation-state is the culmination of moral progress. This created a conundrum.
Staten Island once voted 2-to-1 to leave New York City. The Manhattan overlords ignored the vote. But Staten Island would be better off as a separate city, and the same holds true for Brooklyn and Queens.