Respuesta :
Answer:
Being near water, it was better land for farming. This created a large amount of food to promote trading.
Explanation:
Answer:
On lands surrounding the cities, farmers constructed dams and levees to channel water from the rivers to crops of wheat and barley. Food surpluses supported the large population and prompted the growth of trade.
Explanation:
They had plenty of food resources because they were near a river so trade was good there. I don't know if this helps but..
