Question

How many states were required to ratify the constitution for it to be approved
A 9 of 10
B 13 of 13
C 9 of 13
D 10 of 20

Answer 1

 The Constitution became binding upon nine States by the ratification of the ninth State, New Hampshire, June 21, 1788

Answer 2

I believe it would actually be C)          9 of 13, which was majority