The rolling in the dread scott case was so significant because it adressed

answer:

on this day in 1857, the united states supreme court issues a decision in the dred scott case, affirming the right of slave owners to take their slaves into the western territories, therebynegating the doctrine of popular sovereignty and severely undermining the platform of the newly created republican party.

explanation:

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.