Battle of Gaza (2007) were boycotted by both Hamas and Islamic Jihad. The election resulted in PLO and Fatah chairman Mahmoud Abbas being elected President to a four-year term. On 8 February 2005 the Palestinian Authority President Mahmoud Abbas and Israeli Prime Minister Ariel Sharon announced a cease-fire. On 17 March 2005 Hamas endorsed the ceasefire. On 19 March 2005 twelve Palestinian factions, including Fatah, Hamas, Islamic Jihad, Popular Front for the Liberation of Palestine (PFLP) and Democratic Front for the Liberation of Palestine (DFLP) signed the Palestinian Cairo Declaration, which reaffirmed the status of the Palestine Liberation Organization (PLO) as the sole legitimate
Fatah them to Black September, Abu Nidal's Fatah-Revolutionary Council, Abu Musa's group, the PFLP, and the PFLP-GC. Fatah received weapons, explosives and training from the Soviet Union and some of the communist states of East Europe. China and Algeria also provided munitions. Since the death of Eljamal in 1968, the Palestinian cause had a large base of supporters in Lebanon. Although hesitant at first to take sides in the conflict, Arafat and Fatah played an important role in the Lebanese Civil War. Succumbing to pressure from PLO sub-groups such as the PFLP, DFLP and the Palestine Liberation Front (PLF), Fatah aligned