(2) The National Security Council shall define the national security strategy based on the analysis of all threats to security of South Sudan. (3) There shall be established at the State and County levels security committees; their composition and functions shall be prescribed by law. PART ELEVEN THE STATES, LOCAL GOVERNMENT AND TRADITIONAL AUTHORITY CHAPTER I STATES OF SOUTH SUDAN General Provisions 161. (1) The territory of South Sudan is composed of ten states governed on the basis of decentralization. (2) The constitutions of the states shall conform to this Constitution. (3) State boundaries shall not be altered except by a resolution of the Council of States approved by two-thirds of all members. (4) Names of states and their capital towns shall not be altered except by a resolution of the Council of States approved by a simple majority of all members on the recommendation of the relevant State Assembly. State Organs 162. (1) There shall be legislative and executive organs at each state level; they shall function in accordance with this Constitution and the relevant state constitution. (2) Each state shall have exclusive executive and legislative competences as set forth in Schedule B of this Constitution. (3) Each state shall have concurrent and residual executive and legislative competences as set forth in Schedules C and D, read together with Schedule E herein. (4) Each state government shall exercise such other powers as shall promote the welfare of the people of that state and to protect their human rights and fundamental freedoms as are provided for in this Constitution. (5) Each state shall organize, promote and empower the local government institutions in accordance with the provisions of this Constitution and its constitution and the law. 57