What was the impact of double-stacked railroad cars on the state economy?

a. it let to takeover of the state railroad monopoly

b. it reduced the cost of the shipping goods to and from the east coast

c. it brought an end to most seaborne cargo transport

d. it loggers harvest more timber

What happened when spain’s government could not overcome social and economic problems during the great depression? citizen groups revolted against the government. the head of the government gave his resignation. a new leader seized control from the military rulers. the army led a rebellion against the government.