How does class division favor the upper class of the society?

People in the highest SES bracket, generally referred to as the upper class, likely have better access to healthcare, marry people of higher social status, attend more prestigious schools, and are more influential in politics than people in the middle class or working class.

answer:

the colonists had their reasons for creating a weak central (federal) government under the articles of confederation. not only did they create a weak federal government, they restricted the powers of the state governors because they were so concerned about the leaders abusing their power.