<span>i think is this one -adoption of a social caste system </span>
Answer: The adjective "medieval" (or sometimes "mediaeval" or "mediæval"), meaning pertaining to the Middle Ages, derives from medium aevum. Medieval writers divided history into periods such as the "Six Ages" or the "Four Empires", and considered their time to be the last before the end of the world.
Explanation:
Nebuchadnezzar is the correct answer
James Madison wrote the amendments, which list specific prohibitions on governmental power, in response to calls from several states for greater constitutional protection for individual liberties. ... Anti-Federalists held that a bill of rights was necessary to safeguard individual liberty.
The slaves were emacipated