What religion did they incorporate that was banned from the previous dynasty?
1. judaism
2. Islam
3. hinduism
4. confucianism

answer; i believe that the correct answer is (chronological order);

the causes of the dust bowls were severe droughts,   lands became dry and hard, temperature was higher than usual, hot and dry conditions killed crops, high winds. because of those factors, the winds kicked up dry soil and created clouds of dust.