12.) John D. Rockefeller was arguably the most successful businessman of the 1800s. He was also a shrewd
businessman who employed Integration, then Integration to eliminate
competition for his Standard Oil Company.
a. Vertical, Horizontal
b. Horizontal, Vertical
c. Mathematical, Vertical
d. Horizontal, Theoretical

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.  

your answer would be a) no nation can be economically self-sufficient.

stay in school!

besides the fact that abraham lincoln abolished slavery, and greatly benefit black people, he had a heavy impact of the definition of what democracy was, and should be.

barrio is a spanish word meaning neighborhood. in spain, several latin american countries and the philippines, the term is also used officially to denote a division of a municipality while a ghetto is a part of a city in which members of a minority group live, typically as a result of social, legal, or economic pressure. the term may have originally been used in venice to describe the part of the city to which jews were restricted and segregated.