Answer:
When discussing railroads during the Civil War their role is often overlooked. They proved a vital asset in the movement of troops and materiel, ultimately allowing the North to achieve total victory. After fighting broke out in 1861 the country had a rail network totaling more than 30,000 miles.
B.
It was established to ensure fair rates/curtail discrimination.
Veto is the answer hope this helps
His policies were extremely bad for the American native people. Events like the Trail of Tears, done by Jackson, drove native Americans from their land against their will