Which principle was included in most nstate constitution?

Most state constitutions in the United States include the principle of popular sovereignty, which asserts that the authority of the government is derived from the consent of the governed. This principle reflects the belief that power ultimately rests with the people, who exercise it through voting and representation. Additionally, many state constitutions emphasize the separation of powers, ensuring that legislative, executive, and judicial functions are distinct and balanced to prevent the abuse of power.