In the period leading up to World War 1 how did nationalism unite or divide citizens

Nationalism helped unite citizens within a certain group(such as common culture or history). However, it can also cause intense competition between nations. Many ethnic groups part of the Ottoman empire wanted to become independent and were successful going about these ways, which divided them. ‍

what are the options mate?

explanation:

not to be rude or anything but, nobody can really answer that if you don't add the options sorry if it came of rude uwu

they had more african americans than any other state.

hope this , have a good day. c;