“A unilateral lunge for independence by Kosovo could spur Serbs in Bosnia and Herzogovina – half that country’s population – to follow suit. And Kremlin warnings against the imposition of any Kosovo formula not acceptable to Serbia raises the specter of Russian backing for independence movements in Georgia, Moldova, and even Ukraine. This would be a prescription for armed conflict around the periphery of Europe.
…Some European diplomats also worry about the United Nations carving new countries out of older countries’ provinces. They recognize that separatist reflexes persist in regions such as Catalonia and the Basque country. Even the Flemish and Walloon populations of tiny Belgium may want a nationalist divorce.”