How many states were required to ratify the constitution for it to be approved
a. 9 of 10, which was 90% in favor
b. 13 of 13, which was a unanimous decision
c. 9 of 13, which was a majority
d. 10 of 20, which was half

The correct answer is C. 9 of 13, which was a majority

Explanation:

The Constitutions of the U.S. that defines basic principles for the government in the country was first ratified on June 21 of 1788 after being prested on the previous year. The process of ratification implied presenting the articles created in all the thirteen original colonies or states and allowing each state to decide if the Constitution was to be approved, about this, from the thirteen states three of them opposed and nine of them approved the constitution and ti was considered the two thirds of the population or the majority of it approve the Constitution this began to be implemented. Thus, the states that were required to ratify the constitution were 9 of 13, which was a majority.

a is correct

hope this let me know if it is right