It means that if you school requires CLEP scores of 50 or higher on the College Mathematics CLEP then you will receive the same credit if you score a 50, 51, 65 or 72. It will appear on your transcript as a "pass" - it won't affect your GPA.
Reasons are supported by evidence
The answer is: Social class
Social class is generally divided based on how much resources that those people have to influence a change in the society where they lived in.
In almost all modern societies, social class will clearly distinguished by the wealth/money that people possessed. So the society is divided into two, the poor and the rich.
People who had vast amount of wealth, could have larger influence in changing the society because they can funded their activism group or influence the legislation by giving funding to the government representative of their choosing.
The answer should be A: an economy that has a blend of both market in command economies
