Option A I THINK..........
The name of the wide area of the dry land located along the southern edge of the Sahara is B) Sahel.Hope this helps.
They would deplete all the resources in the area so when they took the risk of moving, there would be a new supply of food
Answer:
hat factors led to rapid population growth in China? When Spanish merchants introduced new American crops, agriculture increased. Farmers could take advantage of land that they couldn't cultivate before. It increased the food supply and supported further population growth.