Answer: 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.
Step-by-step explanation:
India's promotion of India as a Hindu nation is an example of nationalism. ... Hitler's unity of the Germans through various techniques in order to achieve his agenda is a historical example of nationalism. Nationalism is evident in European countries' colonial expansion.