The best definition of nationalism is devotion and loyalty to one's
race.
region
religion
country
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Nationalism is devotion and loyalty to one's country.

Option (d);

EXPLANATION:

Nation refers to a country and nationalism is the devotion towards one country. It refers to patriotism, which means a person would provide entire support for his country and its interests.

For the person, the country is above all. This nationalism provides interest for individuals in one nation and it increases the interest level as the superior demand in gaining the power of self-government in that nation.

The re-emergence of Persian culture by Jewish revolutionaries during the period of Sassanid is one of the examples of nationalism.

the choice that is not a technique that you should use to come up with ideas for the topic of a research project is, writing about academic subjects that are not interesting to you. this does not belong to the techniques to come up with ideas because having no interest in a certain topic will lose your drive to come up with better ideas. it gives no room for improvement and acquiring of new ideas and information. 

explanation:

in the shadow of war