What point is the author of this cartoon trying to make?

The correct answer is: "The states that have approved the Constitution still need other states support".

Explanation:

The Constitution of Massachusetts, written in 1779, is considered the oldest functioning written constitution in the world. It was the last of the states written constitutions. This is what the cartoon is trying to depict. Former president John Adams was its author. It served as a model for the Constitution of the United States.  

answer; clelia mosher;

i believe that's b. popular sovereignty