The aggravation of Arab-Israeli conflict after Six-day war (1967) and the proscription of PLO (Palestine Liberation Organization) from Jordan in 1970, the weakness of the Lebanese government in the conditions of the sharp intercommoned conflict, which periodically resulted in civil war, let the UNO turn Southern Lebanon into the base for its actions against Israel (Bregman, 2002: 40). Active assistance of the number of Arabian countries, first of all of Syria, let turn Southern Lebanon in operational and training base for separate fighters and the organizations from other countries, which were recognized by some states as terrorist.
The territory, bordering to Northern border of Israel, was fully controlled by PLO and even get the name “Farahland”. PLO was accused by the government of Lebanon in destruction of the country. Palestinian fighters penetrated the territory of Israel through the territory of Lebanon. Israel recognized the actions of PLO as terrorist acts and attacked the territory of Lebanon in response. Thus, the government of Lebanon appeared in a very difficult situation (Bregman, A and El-Tahri, 1998: 38).
Palestinian fighters organized “a state in a state” where Lebanon’s laws were not in force. Palestinian camps and settlements turned into the site of criminality and terrorism. The population of the South of Lebanon suffered from the crimes of Palestinians, primarily Christians –Maronites and Muslims- Shiites.
Muslims decided to use a great number of armed Palestinians to change the governmental system of the country for the benefit of Muslims. Such plans would inevitably limit the rights of the Christians on the territory. The army of Lebanon was traditionally weak, thus the Christians of Lebanon started organizing their own self-defense groups, which often had fights with Palestinian forces. Other religious communities and parties also created their own groups, some of which