Your problem in this question is that there is to almost never going to be peaceful functioning members of a nation state that become there own nation without expressing some discontent about being that nation.... there have been new nations formed by parent countries who were not really troubled by the region (still gained more from it than they lost) but there was discontent in the region.

Sorry, we don't allow throughout history questions. These tend to produce threads which are collections of trivia, not the in-depth discussions about a particular topic we're looking for. If you have a specific question about a historical event or period or person, please feel free to re-compose your question and submit it again.