What kinds of information could you learn about the constitution and the founders from primary sources from 1788?

The constitution of one of the most power country in the world was written in the year 1787. But it was only in the year 1788 that The Constitution of United States was given a formal consent.

One of the important aspect of this Constitution is the fact that it was kept totally confidential until it was fully written and approved by total of nine states. The Constitution consists of many amendment bills, out of which the ten amendments are the Bill of Rights.

the answer should be a)directions.