Which of the following was a major factor in Chicago’s rapid growth? Many railroad lines connecting the east and west coasts ran through Chicago. Chicago’s location on Lake Michigan made the city an international port. The city’s large number of bakeries provided many jobs for new residents. Most employers in Chicago paid their workers high salaries.

the enslaved people onboard suffered from illness with some frequency

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.  

fighting to keep abortions legal