A. It encouraged expansion by granting low-cost land to settlers
It was the Mamluks. A Mamluk was a soldier who converted to Islam, and over the time that the military used, they became stronger and more powerful military. This was the only way and the only war that the Mongols lost.
Answer: C) Some Hoovervilles were dotted with vegetable gardens, and some individual shacks contained furniture a family has managed to carry away from their former home,
Explanation:
Having vegetable farms implies that they intend to stay there for awhile. Also I did this before and got it right.