Look it up online or will give u the answer right away:)
Slavery abolished... set up for discrimination...railroads...you should use sources though! (YOU NEED TO CITE)
They were driven by ideas of strong isolated big businesses in the United States. They introduced high tariffs to help local manufacturers and actively worked with huge company owners in order to make American manufacturing and exporting even better which worked well in the beginning but eventually the economy became extremely bad.
The use of vertical integration to create momopolies
D) a strong central government.