Which of the following would be a positive effect of nationalism?

A.

Nationalism can divide citizens and rally them to drive another nationality out of the country.




B.
Nationalism can fuel hate, prejudice, and intolerance for a religious or ethnic minorities and lead to persecution.




C.
Nationalism can make a country stronger against outside enemies.




D.
Nationalism can lead to jingoism, which is a super-nationalism that proclaims one nation's superiority over other nations.

Nationalism is a survival instinct. If a family's home is under threat we would expect the family to stand up for and protect their home, similarly if a nation (the people's home) is under threat we should expect the people (community) to stand up for and protect their national (home) interests.
Multiculturalism is threatening to European countries which is causing a nationalist uprising in response.