13. How many states needed to ratify the Constitution?

Nine states.

Explanation:

Only nine states need to ratify the constitution; the constitution would not go into effect unless nine states agreed.

1.d 2.a c.!

the right answer for the question that is being asked and shown above is that: "their policy of "divide and rule" pitted political groups against each other to keep any one group from becoming too powerful.  " the  participant in european imperialism is being described below is that  their policy of "divide and rule" pitted political groups against each other to keep any one group from becoming too powerful.