What term describes the idea, popularized by j.-j. rousseau, that human society originated in an agreement among naturally free individuals to establish the rule of law and civil society?

adopted the practice of proskynesis, a persian court custom that involved bowing down and kissing the hand of others, depending on their rank.

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.