I think it’s D, I’m not sure
Answer:
B. Food shortages that led to starvation
Explanation:
There wasn´t a lot of food in the area and the river that was near them was very salty and unsafe to drink along with the mosquitos that lived in the mushy areas cared a certain disease with them.
It provided water for every need the Egyptians had from transportation,food,water and clay for building it would take care of them and was the only river around that could provide as it did