All of the following are true about the Persian army EXCEPT: 1. They were compassionate to their enemies
2. Cyrus the great wasa strong leader of the army
3. Their weapons were stronger than other civilizations
4. They used a cavalry with bows and arrows to weaken their opponent

answer: 1

explanation:

im pretty sure

the answer is b just took the test

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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.