It means that the contribution of someone that give their all to a certain effort often much more valuable compared to half-meaning efforts that given by more than one individuals.
This view often implemented in jobs such as programming and accounting, when more than one perspective could alter the final outcome of the works done.
Because it helps identify the feelings and behavior of a polictical citizen. It also refers to the beliefs of a person polictical and social change
I'm pretty sure the answer is A
I think it would depend upon the financial background of a student. A good family financial support does not need a big amount for education. The US offers part time job opportunities that are favorable for them. The percentage should still look into a financial assessment for school education and have a definite clustered support that is based on their capacity to go through the whole course.