The Kingdom of Thailand is a constitutional monarchy, and the Constitution is the supreme law of the country. The Constitution is a lengthy document and provides for the powers of the King, the National Assembly, the Council of Ministers, the Courts, and Constitutional Organs. The Constitution also includes provisions outlining the rights, liberties and duties of the people, and enumerates directive principles of fundamental state policies relating to e.g. national security, social and cultural affairs, foreign affairs, the economy and the environment.