19. Which of the collowing characteristics define "civilization" as exhibited in ancient Sumer and Egypt O A. Writing, hunter-gatherer bands, organized religion O B. Writing, large-scale agriculture, social hierarchy, specialized trades O C. Large-scale agriculture, matriarchal social organization, specialized trades D. Language, small-scale agriculture, polytheism, specialized trades

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.

a

explanation:

a social contract.

"a social contract is an agreement between citizens and their leader where the citizens give up certain freedoms in exchange for protection. the constitution of the united states is an example of a social contract."