Why would white Southerners pass laws that controlled the movement of African Americans? What would happen if African Americans left the South in huge numbers?

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.

the answer is aggresion hope this and mark me as brainiest and add me as friend

the answer is b.india