How was the american system expected to unite the nations economic interests?

The American system was expected to unite the nation's economic interests by creating a tariff to encourage American manufacturing, a system of roads and canals to simplify trade and transport, and a national bank to foster commerce and support the previous two.

The social difference that caused sectionalism in the antebellum era would be c.)  north was disorganized. the north had slow population growth, where as the south had mass immigration.hope this really mark

Ithink the answer is c sorry if i’m wrong