How did the Persians transform their dry environment into a place where humans could live and prosper?
O Slave labor.
O The Qanat system.
O Moving civilization near an ocean.
O They invaded people who had rivers that they could take water from.

Which describes a contribution from classical rome to modern western civilization? a. international gathering to celebrate sporting achievement b. written constitution based on natural rights c. large infrastructure projects to benefit the public d. direct election of the ruler by all residents of the empire