Answer:
Popular sovereignty is a strategy that is quite common in democratic systems. This refers to a system in which people are allowed to voice their opinion to the government, as well as decide on the best way to make their own choices. This was a method that was used by lawmakers to decide the role of slavery in the new territories. The main reason for this is that popular sovereignty responds to the ideas of the majority. It allowed people to establish the best way to manage their own territory. Moreover, it granted more legitimacy to the decision.
Step-by-step explanation: