Answer:
i don't know what author your talking about but these would be some general answers
Explanation:
it gave people a new sense of identity and also led to an increased sense of competition among nation-states.
Answer is C because they were trying to prove that it works
Popular sovereignty (D.) is another way to say that the people rule the government. It is when the people consent to how they are governed and what the government does. Essentially it is the basis of democracy.
Hope this helped!
~Just a girl in love with Shawn Mendes