Peers are people who are part of the same social group, so the term peer pressure means the influence that peers can have on each other.
The Constitutional convention took place in Philadelphia on May 14, 1787. Rhode Island, fearing that the Convention would work to its disadvantage, boycotted the Convention and, when the Constitution was put to the states, initially refused to ratify it.
The Philadelphia Convention, also known as the Constitutional Convention, which took place in 1787 from May 25 to September 17, saw 39 of its 55 delegates signing Constitution of the United States.