Question

Why was irrigation important to Sumer?

A.)It led to the invention of the sail.
B.)It helped create food surpluses.
C.)It led to trade with other city-states.
D.)It moved water from mountains to city-states.

Answer 1

Either D or B I had this on a test once and I remember it was one of those

Answer 2

Answer: It helped create food surpluses

Explanation: irrigation is about crops, it's to help grow crops where they wouldn't be able to otherwise. So it would help create food surpluses if they were growing more crops.