Original sentence: In addition, an estimated 1,000 Palestinians were assassinated by their own people as alleged collaborators, although fewer than half had any proven contact with the Israeli authorities.Over the course of the first intifada, an estimated 1,100 Palestinians were killed by Israeli forces and 160 Israelis were killed by Palestinians.The intifada was not a military endeavor in either a conventional or guerrilla sense
Edited sentence: '" (William V.(Quoting  by Justus Reid Weiner) and 160 Israelis  had been killed by Palestinians.In the first thirteen months of the Intifada, 332 Palestinians and 12 Israelis had been killed.O'Brien, Law and Morality in Israel's War With the PLO, New York: Routledge, 1991.Palestinians killed an additional 1000 Palestinians as alleged collaborators, though fewer than half of the latter had actually maintained contact with the Israeli authorities.Prior to the signing of the Oslo Accords, 17,551 Palestinians were killed by Israeli forces most of them terrorists   "It appears that a substantial number, if not the majority, of troops of the intifada are young people, including elementary schoolchildren.The Intifada was not a military endeavor in either a conventional or guerrilla sense.They are engaged in throwing stones and  and other forms of 'violence