Answer:“Affect” would be an understatement. The empire split at the seams in large part due to nationalism, as well as other European ideals.
Various ethno-national groups of the empire, inspired by the nationalist movements of Europe and the Americas, asserted their right to break away from Ottoman rule and form their own states. Allying themselves with European powers who favored their goals (mostly for their own reasons), peoples in the Balkans, such as the Greeks and Serbs, broke away to form their own nation-states.
