Hello,
I believe that the answer is <span>B. Papal Supremacy</span>
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
Cotton growers used profits to build more textile mills. I don't think the cotton GROWERS did that; they just sold the cotton to others who processed it for clothing.
