How did the “Black Land” impact ancient Egyptian civilization?

A)This silt-enriched farmland watered by the Euphrates grew food for the growing populations of city-states.

B)This Nile wetland’s variety of fish and waterfowl became a major source of protein to feed expanding cities.

C)This hot desert land extending across North Africa protected Egypt’s Mediterranean shore.

D)This irrigated farmland located by the Nile provided fertile soil to grow wheat and flax crops.