 Operating in a pyramid structure, the base form of these Committees were local working groups, who sent elected representatives to the district level, and from there to the national level, divided between the General People's Congress and the General People's Committee.Above these remained Gaddafi and the RCC, who remained responsible for all major decisions.In crossing regional and tribal identities, the committee system aided national integration and centralization and tightened Gaddafi's control over the state and administrative apparatus.