The Conceptual and Institutional Principles of the Constitutional Movement in Medieval Europe

In broad conception, constitutionalism is a movement towards competence and limited and divided sovereignty according to obligatory rules and regulations. It is the movement which started from West Europe and expanded to all over the world. Nowadays, sovereignty based on constitution is a characteristic of liberal democratic regimes thereby the attempts in this field both in indisputable form and accidental form were important in its evolution and development in the world. This essay studies the doctrine and governance organizations based on Europe constitution in a literature different from those which are available in Iran constitution law.