Ratification of the constitution followed a process written into constitution itself in order for the constitution to be accepted it had to be approved by

The Constitution was the snare Lee ratified in Massachusetts and fold by other states on September 25th 1789 the first Congress of the United States adopted 12 States today the Constitution is the oldest written constitution in operation in the world for it to be ratified the process expressed at the approval of no less than nine states out of 12. the Congressional legislative body in which each state would have an equal number of Representatives.

The constitution had to be approved by 9 out of 13 states to get approved but was accepted by all 13