Nusseibeh was also an important leader during the First Intifada, authoring the Palestinian Declaration of Principles[29] and working to strengthen the Fatah movement in the West Bank; Nusseibeh helped to author the "inside" Palestinians' declaration of independence issued in the First Intifada, and to create the 200 political committees and 28 technical committees that were intended to as an embryonic infrastructure for a future Palestinian administration.