According to the doctrine of popular sovereignty, the decision whether to permit slavery in a territory would be made by the

The Doctrine of Sovereignty, which was also called Squatter Sovereignty, is a doctrine that states that the people of the federal territories should decide for themselves whether their territory would permit slavery or not. Its principle is that the head of the state and its government is sustained by the consent of its constituents.

The first one is russia because in russia they were on the rough times and they never had a way to get out of