What were cash crops?

A cash crop or profit crop is an agricultural crop which is grown to sell for profit.

Explanation:

It is typically purchased by parties separate from a farm. The term is used to differentiate marketed crops from subsistence crops, which are those fed to the producer's own livestock or grown as food for the producer's family. (p.s im not smart got that off the internet)

A cash crop is something that people use for commercials or taking photos of, rather than the grower actually eating the crop or something.

Explanation:

I learned about this. :)

your answer would b. the missisipi river

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answer; a cost benefit analysis;