How were most southern whites connected to the plantation system?

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.

d.

the northwest territory became the most densely populated area in the u.s.

a system of cooperative federalism emerged, as the powers of the federal government expanded.

the answer would be a).