What constitutional principle describes the right of the people to run their country?

The constitutional principle that describes the right of the people to run their country is known as popular sovereignty. This principle asserts that the authority of a government is created and sustained by the consent of its people, who exercise their power through elected representatives and free elections. It emphasizes that the legitimacy of political power comes from the will of the governed, ensuring that citizens have a voice in the decision-making processes that affect their lives.