How did the development of irrigation systems improve living conditions?
a. It made people less dependent on trade.
b. It made people switch from hunting to herding.
c. It gave people a surplus of food.
d. It allowed people to move out of town onto farms.
I think your answer would be C. it gave people a surplus. Because now they could water their crops faster, which means you would get more ground covered . Which results in having a surplus. Because it's a faster way to raise crops.
