“which of the following was not an innovation of the roman empire? ”
a. a series of civil wars
b. a stable government
c. democratic reforms
d. peace and prosperity

A series of civil wars

Explanation:

Civil wars tear countries and empires apart. A stable government would only help to better govern the Empire, and Democratic reforms give personal rights to citizens, Peace and prosperity means a functional and successful empire.

labor leaders and organizations had the power to demand it.

explanation:

workers got a five-day workweek because the bcea protects and respect the rights of the employees. labor leaders and other groups demanded it.

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.