For years, the French used French Guiana for animal experiments

Please delete this. I think it might be true but I'm not sure so just delete this awnser

★ French Guiana, overseas territorial collectivity of France, situated on the northeastern coast of South America. French Guiana is bounded by Brazil to the south and east, Suriname to the west, and the Atlantic Ocean to the northeast. The capital is Cayenne.

Explanation:

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they killed other men

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.