It is most likely because he believed that they could cause unnecessary conflict... that is just my educated guess
Port-au-prince, a city in haiti with magnitude7.0
James Madison promised the Bill of Rights to the people even before the constitution was ratified. The Bill of Rights protects the basics freedoms of the people like freedom to practice any religion, the right to protest, the right to privacy. If you want a list of the first 10 amendments of the constitution I suggest you look them up.