I think the best answer is c. but i cold be wrong. so b, or c
The Nile delta has excellent farming lands, because whenever the Nile floods, it generates silt in the surrounding land. Silt is a rich-mineral soil that is used for farming
hope this helps
Answer:
The need for raw materials for the factories and increased food supplies for the growing population in urban centers had led to the growth of export economies around the world that had specialized in commercial extraction of natural resources and the production of food and industrial crops.