Did we have to pay for Northern Mariana Islands? if so how much did we have to pay

We did not have to pay, or purchase it. It was formerly Japanese occupied land.

Explanation:

Northern Mariana Islands – The UN placed Northern Mariana Islands under the control of the U.S. in 1944 with the Trust Territory of the Pacific Islands (TTPI). ... The United Nations TTPI granted the U.S. control of Palau in 1947.

10 states did

~courtney

the foundation of greek city-states: following the fall of the mycenaean civilization in the 10th century bc, the area surrounding the empire went through its own mini dark ages. answer and explanation