Page 15  Freedom is the sacred collective demand of the Sahrawi people in their struggle for freedom from colonial and foreign domination;  The democratic practice is the proper method of good governance chosen by the Sahrawi people for building their constitutional institutions and legal and judicial bodies;  Unity means the unity of the Sahrawi people wherever they are, around the Polisario Front and within the context of the Sahrawi Republic in this phase of their struggle for the realisation of their legitimate aspirations for freedom and independence. 50. The Constitution is the supreme law that guarantees all their freedoms and rights contained therein. The Constitution also recognises the principle of separation of the three powers (the Executive, Legislative and Judiciary) in accordance with its Article 124. 51. The President of the Republic is the highest representative of the State who guarantees respect for the Constitution and is responsible for the preservation of the fundamental freedoms of citizens as enshrined in Statutes 51 and 52. He signs all the international laws, treaties, and conventions which are published in the official Gazette of the State after ratification by Parliament in accordance with the provisions of Article 55 of the Constitution. 52. The Preamble of the 2007 Sahrawi Constitution is in consonance with the contents of the Preamble of the African Charter on Human and Peoples Rights, particularly in relation to the objectives, rights and guarantees that should be enjoyed. For example, the Sahrawi Constitution stipulates that;  Freedom and human dignity can only prevail in a society that upholds the rule of law;