Answer:
The correct answer is D. For a nation to exist, the country must be sovereign and handle its own affairs.
Step-by-step explanation:
A nation refers to a collective of people united by citizenship of a state or a country, that is, a politically defined population and geopolitical unit.
A nation is a sovereign state built around and associated with a group of people with a shared identity, that is, supported by the cultural identity of a majority population but which usually also includes various minority people, and which has autonomous government and military with a monopoly of violence and has been recognized by other states.