Why was popular sovereignty so well-supported as a just and fair way to settle the slavery question?

According to the qianlong emperor, why was china not interested in importing anything else?

Ineed on 2-4 i want y’all to reply to this question so i can turn this into my teacher tomorrow

The delegates of the second continental congress who were ready to declare independence were from which area? a. new england b. the southern colonies c. quebec d. the middle colonies