The answer is B. This is due to the fact land owners lost slaves or African american workers
Answer:
The Middle East requires water resources and suitable land for agriculture. Much of the land that is available for producing food is destroyed by increasing desertification. Desertification is a sweeping environmental problem, with vast effects in countries such as Syria, Jordan, Iraq, and Iran.
Explanation:
They build those to hide from the opposing side such as, french soldiers, american soldiers, they prepared for military operations, and they lived in them for many months at a time.