Zoroastrianism originated in which classical civilization?

Iranian

Explanation:

It served as the state religion of the ancient Iranian empires for more than a millennium, from around 600 BCE to 650 CE, but declined from the 7th century onwards following the Muslim conquest of Persia of 633–654.

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.

the gutenberg bible was and about 180 copies were sold/made