How did the development of irrigation systems improve living conditions?
AIt made people less dependent on trade.
BIt made people switch from hunting to herding.
CIt gave people a surplus of food.
DIt allowed people to move out of town onto farms.
AIt made people less dependent on trade.
BIt made people switch from hunting to herding.
CIt gave people a surplus of food.
DIt allowed people to move out of town onto farms.