What was the chief economic connection between south and north?

Trade with food from the South and manufactured goods from the North.

Explanation:

This was the chief economic connection between the South and the North. During the Antebellum period, the North and the South engaged in trade in a very significant way. Each region traded in accordance to their chief industries and products. The South was particularly focused on agriculture, which meant that its trade focused on food. On the other hand, as the North had an advantage when it came to industry, it focused on manufactured goods.

d

explanation:

i think that this is the best answer, but im sorry if this is wrong

the best description of postwar writers might be progressive.

following the war, writers showed a tendency to work on artistic or social matters rather than political themes. while postwar literature may not have been the greatest period of english literature, the themes provided excellent critics a high number of novels. such examples include anthony burgess, anthony powell and frank kermode, all of which can be placed under the progressive view.