12. Which of the following is associated with the invention of the cotton gin?
A) Increased resentment over tariffs.
B) Increased profitability of slavery in the south.
C) Reduction of new factories built in the north.
D) Dying out of slavery in the north.

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Explanation:

the correct answer is “opportunity cost”. opportunity cost is what a company misses out because it decided in one option over another one. in this case, the company decided to invest in building a factory so it gave up another possible benefit or profit in order to achieve success with the factory.  

trade-off is not the correct answer since it is a situation in which you accept losing something in return for benefits in other areas.

and finally, consequence is a general term used to accept what it comes when you make a decision. it can be a positive or negative consequence depending if the decision you took was the correct one.