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

a) it reduced the cost of shipping goods to and from the east coast
b) it brought an end to the most seaborne cargo transport
c) it loggers harvest more timber
d) it led to a takeover of the state railroad monopoly

Hich answer supports the statement, "the state constitution is more detailed than the u.s. constitution"? a) the u.s. constitution was created after state constitutions had been established. b) the u.s. constitution only exists because the state constitutions allowed it to be created. c) the articles in the state constitution do not deal with amendments like the u.s. constitution does. d) the articles in the state constitution deal with more specific issues than does the u.s. constitution.