Answer:
C
Explanation:
Citizens from the north and south would vote to decide if a territory or state would become free or slave
A popular sovereignty is a type of government that runs on the will and consent of the people, meaning it is directed by the people, who make all decisions of the government.
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Political science uses a scientific approach. Political scientists approach their studies in an objective, rational, and systematic manner.
Explanation:
Overlords built kingdom border walls. The First Emperor Qin unified the Great Wall. Emperor Han Wudi extended the Great Wall west to Yumen Pass
It divided the Native Americans' reservations.
