Which phrase best describes the popular sovereignty principle found in the preambles of the United States Constitution and Louisiana Constitution?

A: liberty or death

B: the buck stops here

C: rule by the people

D: every man a king

Rule by the people, because Popular sovereignty is the principle that the authority of a state and its government are created and sustained by the consent of its people, through their elected representatives (Rule by the People), who are the source of all political power.