A policy of avoiding political or military involvement with other countries ( A )
Explanation:
Nationalism is a way/ a policy where by citizens believe that it is best that a nation is ruled by its self without the interference of external nations. this policy belief that people should be loyal and patriotic to their homeland especially to the exclusion of the interest of other nations.
That is avoiding political or military involvement with other countries that might benefit those countries rather than their homeland. Nationalism is quite different from patriotism because patriotism gives room for alliances with other nations .
