Answer:Nationalism holds that each nation should govern itself, free from outside interference (self-determination), that a nation is a natural and ideal basis for a polity and that the nation is the only rightful source of political power (popular sovereignty).Nationalism is a way of thinking that says that some groups of humans, such as ethnic groups, should be free to rule themselves. The other definition of nationalism is the 'identification with one's own nation and support for its interests, especially to the exclusion or detriment of the interests of other nations.
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