Seems the answer would be D.
Explanation:
1. Federalism
2. The U.S. Constitution
3. Checks and Balances ( The legislative,Executive, Judicial Branch)
4. Popular Sovereignty
Answer:
the answer is the last one
He was a philosopher and a famous political theorist also he was thiught to have been a founder of British Empiricism I hope that helps
Gulf of Saint Lawrence
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