How can nationalism lead to war?

nationalism is the idea of one believing their country is the best and above anyone else. looking at the french rev we see the revolutionary class starting wars with neighboring countries because of the development of nationalism. in extreme cases like WWII national extremists started issued because they believes they needed to take over other countries because they were just that good

Explanation:

#2 the answer is d

#3 the answer is a

#4 the answer is b

a.tensions between the colonial elites and the backcountry men of virginia.