A . is the correct answer
The fifty-five delegates who met in Philadelphia between May 25 and September 17, 1787, would not only reject the Articles of Confederation altogether, but they would produce the first written constitution for any nation in the history of the world.
It was faster and cost less. It made the population grow and it caused modernization. But it also had environmental hazards and it was sometimes dangerous.
An epiphany is often defined as sudden insight.