Yeah indeed it cauased a new set of global conflicts, but it also allowed western societies to raise above the tribal, relgious and ethinic devisions (for better or worst) something I'd argue no Arab nation managed to do so successfully.
In fact it seems that western societies are currently undergrowing new trasnision beyond the nation and local bordres, which could be why they're having new make x great again movements and raise of local populist.
More like a dozen of major war.
But what you are describing is close to the idea of nation-state, which has been blamed as the cause of the war of the XXth century.