Which rivers were part of the worlds oldest known civilization

Mesopotamia is an ancient, historical region that lies between the Tigris and Euphrates rivers in modern-day Iraq and parts of Kuwait, Syria, Turkey and Iran. Part of the Fertile Crescent, Mesopotamia was home to the earliest known human civilizations. Scholars believe the Agricultural Revolution started here.

Explanation:

Is that right?

(d) rivers.

explanation:

civilizations developed around rivers because their waters provided places to hunt and fish. also, as the rivers flooded, the lands around them became fertile. this allowed them to support farming. this is especially true of the nile river, which flooded the same time each year.

the installment plan of the 1920s, an arrangement that allowed people to buy what they wanted with a small down payment and pay off the rest in monthly installments, provided americans a way to own what they did not have the money to buy.