Popular sovereignty is the idea that the people have the power and are able to determine what their government will be like. The people have all the political power. This idea is supported and associated with men like Thomas Hobbes, John Locke, and Jean-Jacques Rousseau.
Here is a website with information about Thomas Hobbes.
The link below is a website all about John Locke!
Here is a good video explaining the idea of popular sovereignty.
Here are some websites letting you know what popular sovereignty is all about!
Here is a pdf explaining what popular sovereignty is about.
Check this website out about Rousseau!