In the New Continental Economy, Each Region Specialized in a Particular

In the new continental economy, each region specialized in a particular economic activity: the South ____ for export; the West grew grains and livestock to feed ____; and the East ____ for the other two regions.

A) raised grain, southern slaves, processed meat
B) grew cotton, southern slaves, made machines and textiles
C) grew cotton, eastern factory workers, made machines and textiles
D) raised grain, eastern factory workers, made furniture and tools
E) processed meat, southern slaves, raised grain