In the Antebellum Era, how did economic practices of the North, South, and West lead to increased sectionalism in the nation?
A. The regions farmed the same cash crops and were in direct competition with each other.
B. The regions competed for the same natural resources to produce manufactured goods.
C. The similar economic activities of the regions increased competition with foreign nations.
D. The differing economic activities of the regions led to opposing political ideas and needs.