Who demanded the bill of rights to be added to the constitution? Why?

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.

Explanation:

it took two men to wrestle rome back from chaos and turn a republic into an empire. in the first century bc, rome was a republic. power lay in the hands of the senate, elected by roman citizens. but the senators were fighting for power between themselves.