Original sentence: From 1949-1967, the Gaza Strip was used by Egypt to launch 9,000 attacks on Israel from refugee camps.The Arab League barred the Arab states from granting citizenship to Palestinian Arab refugees (or their descendants) "to avoid dissolution of their identity and protect their right to return to their homeland".The historian and one-time member of the militant Zionist group Irgun, Shmuel Katz, in his book 'Battleground'  writes "that the Arab refugees were not driven from Palestine by anyone
Edited sentence: Despite this, there had not been a rebellion, intifada, or jihad waged against Egypt.During Jordan's and Egypt's occupation of the West Bank and Gaza Strip, respectively, no attempt was made to create a Palestinian state.Egypt today abides by the instructions of the Arab League concerning Palestinians.From 1949-1967, The Gaza Strip was used by Egypt to launch 9,000 attacks on Israel from terrorist cells set up in refugee camps.Many find the lack of Arab effort to relieve the refugee crisis as a way of using the Palestinians as political pawns, and/or to promote anti-Israel sentiment.Shmuel Katz, in his book 'Battleground'  writes "that the Arab refugees were not driven from Palestine by anyone.Some historians also maintain that the Arab refugees were not driven from Palestine by Israel and therefore Israel has no responsibility over the issue.The Arab League issued instructions barring the Arab states from granting citizenship to Palestinian Arab refugees (or their descendants) "to avoid dissolution of their identity and protect their right to return to their homeland".When the PLO was established in 1964, their goal was to "liberate" Palestine in Israel's territory, and had no intention of claiming territories controlled by Jordan or Egypt