Welcome to Brainly!
I'm honored to help you with your first question! :)
Answer:
B.
Explanation:
The nation-state is a system of organization in which people with a common identity live inside a country with firm borders and a single government. It is a system of political, geographic, and cultural organization. A nation-state is held together by its physical boundaries, its government, and the fact that the people believe they are connected to each other.