Ayon sa UNESCO ay mas makabuluhang pag-aralan muna ang wikang kinagisnan.

the answer is d. tariffs were raised by america's trading partners after the smoot-hawley tariff act, decreasing exports, and declining job rates.

he was able to speed up production of the processing of seeds

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.