Question

Why was irrigation important to Sumer? It led to the invention of the sail. It helped create food surpluses. It led to trade with other city-states. It moved water from mountains to city-states.

Answer 1

B - It helped create food surpluses.

Answer 2

It helped create food surpluses

Step-by-step 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.