How did the north’s superior railroad system give it an advantage during the civil war? trains could be used to transport cotton to the north. the north could transport supplies to southern cities. the north could easily move soldiers and supplies. trains could be used as blockades against southern troops.

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both are true, the congress does have the power to create banks, even if this power is not specifically described in the constitution, since there is nothing restricting it and there is power given to the congress to make "all laws which shall be necessary and proper". maryland was not allowed to tax a branch of the national bank operating there, and the supreme court decided that no state could. both of these topics were discussed in a decision of the mcculloch v. maryland case in 1819.