Final answer:
The vocabulary words and their meanings are: nation (existence as an independent nation or government), feudal (a legal and social system where vassals held land from lords in exchange for military service), sovereignty (ultimate authority over a state or independent state), and autonomy (a group of people united by a common language, culture, ethnicity, or history).
Step-by-step explanation:
1. nation: existence as an independent nation or government
2. feudal: a legal and social system where vassals held land from lords in exchange for military service
3. sovereignty: ultimate authority over a state or independent state
4. autonomy: a group of people united by a common language, culture, ethnicity, or history
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