The Elkins Act and the Hepburn Act regulated railroads by outlawing kickbacks to the smallest companies and setting higher railroad rates. outlawing rebates to the largest customers and setting railroad rates. outlawing tax breaks to the largest railroads and changing railroad rates. outlawing tax breaks to the smallest companies and raising railroad rates.

B: outlawing rebates to the largest customers and setting railroad rates.

Explanation:

Outlawing rebates to the largest customers and setting railroad rates.

Explanation:

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.