Benjamin Franklin expressed his idea of sovereignty. 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.
Lewis Cass of Michigan, who was a Democratic candidate for President in the election of 1848, coined the term "popular sovereignty." The idea of" popular sovereignty" was whether or not slavery would exist there.
Explanation:
Lewis Cass came up with the term and the idea was about slavery.
The law known as Lex Agraria was created to calm the poor it said that they would buy 500 acres from the rich and give parts of the 500 acres land to the homeless war veterians after their term was up.