The role of The Mexican Cession<span> in the history of the United States of America. ... into newly acquired territories </span>had<span> become the leading national political issue. ... of the said nation, the commissioners agree that the sum of </span>one<span> thousand </span>
D. Arabian Sea and Gulf of Aden. :)
The answer is C because Kay powers sum like that
State and county government work together to raise money for something that benefits the both, such as a school.