Why is it important to learn the history of particular ethnic groups in the United States?

this is true

the tariff was created to protect industry in the northern part of the united states. industries in the north were being driven out of business by imported goods that were priced at a low rate. the goal was to protect these industries   by taxing the goods.

this is true many people think today that blacks should be slaves also known as rasisim calling them many insults from slavery the idealogy of the south still exsist in some parts but not all