Question

What is nationalism?​

Answer 1

identification with one's own nation and support for its interests, especially to the exclusion or detriment of the interests of other nations.

"their nationalism is tempered by a desire to join the European Union"

Answer 2

Nationalism is a political, social, and economic ideology and movement characterized by the promotion of the interests of a particular nation, especially with the aim of gaining and maintaining the nation's sovereignty over its homeland.