Article vii of the constitution stated that the constitution could become effective only after conventions in of the states had ratified it.

The Correct Answer is

Only after conventions in "Nine" of the states had ratified it.

Explanation:

Article VII of the Constitution declares the Ratification of the Constitution.Article VII of the Constitution states that it shall become the official law of the ratifying states.For the Constitution to be ratified, nine out of the thirteen states had to be agreed. 55 delegation attended the convention, out of 55 delegation 39 of them had signed the ratification.The Constitution went into effect in 1788.