During the , encouraged trading activities by foreign merchants. They reestablished the Silk Road. The Mongols welcomed the foreign merchants at Chinese ports. European merchants such as entered China during the time.

the answer would be a i think?

d) the constitution rights of native americans and their right to self-government on reservations

6 pounds is equivalent to 92 ounces.

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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.