Answer:The Multinational Force in Lebanon (MNF) was an international peacekeeping force created in August 1982 following an 1981 U.S.-brokered ceasefire between the PLO and Israel[3] to end their involvement in the conflict between Lebanon's pro-government and pro-Syrian factions. The ceasefire held until June 3, 1982 when the Abu Nidal Organization attempted to assassinate Shlomo Argov, Israel's ambassador to London.[4] Israel blamed the PLO and three days later invaded Lebanon. West Beirut was besieged for seven weeks before the PLO acceded to a new agreement for their withdrawal. The agreement provided for the deployment of a Multinational Force to assist the Lebanese Armed Forces in evacuating the PLO, Syrian forces and other foreign combatants involved in Lebanon's civil war.
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