What gave rise to the slave trade?
a. the lack of a skilled labor force in the americas and the decline of the west african population caused residents to seek a living elsewhere.
b. the shipment of gold from the americas to europe caused plantation owners to seek inexpensive laborers.
c. the death of many american indians to disease and the planting of labor-intensive crops.
d. the european investment in trading companies and the rise of christianity in the americas.

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.  

the first forms of writing came from them in the form of pictographs around 3100 bc.