How did the promotion of a national American System encourage westward expansion and the unification of state economies, which would at the same time rekindle the sectional controversy over slavery?
Why did the North and South oppose federally funded “internal improvements” such as roads, canals, and eventually railroads, which would bring western commodities and products to the East?
Why did the establishment of the Bank of the United States generate regional tensions between the western frontier regions and the eastern seaboard?
