nationalism
noun
[ ˈnaʃ(ə)n(ə)lɪz(ə)m ]
• 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"
Similar:
patriotism,
patriotic sentiment,
loyalism,
nationality,
xenophobia,
chauvinism,
jingoism,
flag-waving,
ethnocentrism,
ethnocentricity,