How would the issue of whether to allow slavery in a territory be decided, using the idea of popular sovereignty?

A. By the federal government
B. By a national vote
C. By a vote of the people living in that territory
D. Buy a roll of the people living in neighboring territories

C. By a vote of the people living in that territory. Popular sovereignty is the idea that the people living in a territory should be able to decide for themselves whether to allow slavery or not. This means that the decision would be made by a vote of the people living in that territory, rather than by the federal government or a national vote.