Respuesta :
Answer: D
Explanation: rivers were an easy access to the ancient cities inside the fertile crescent, this meant trade was extremely dependent on these rivers
Answer: They made transport of agricultural goods economical
Explanation: The Tigris and Euphrates rivers provided economical transport of agricultural goods from the Fertile Crescent to other areas. Because of this resource, the Mesopotamians specialized in making riverboats that could be taken apart at the end of their journey and carried back upstream.