Which of the following most contributed to the decline of the ranching industry in the late 1880s?
the invention of barbed wire
an oversupply of cattle
ranchers’ refusal to use technology
a series of heavy rains

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.

"the attempts of the proletariat to rise above this abasement"