Far bloodier than its 1950s prelude, it featured most PLO factions on the side of the Lebanese National Movement, specially with the mainly Sunni al-Murabitun.
The war against the PLO factions may have strengthened the connections between Israel and Jordan.
The Israelis succeeded only in driving out moderate PLO factions while diehard PLO terrorists strengthened themselves in an alliance with the Druse.
Two days later, various PLO factions retaliated by bombing a bus station, killing eleven civilians.
This caused discontent among several of the PLO factions; the PFLP, DFLP and other parties formed a breakaway organization, the Rejectionist Front.
Within PFLP, he began to favor a reduced emphasis on armed struggle and closer cooperation with Fatah, the dominant PLO faction.
On 8 May 1970, a PLO faction, called the Democratic Front for the Liberation of Palestine, (DFLP) crossed into Israel and carried out the Avivim school bus massacre.
With headquarters now in Beirut, PLO factions recruited new members from the Palestinian refugee camps.
Each brigade was composed of contingents of the many PLO factions.
On September 17, an emergency meeting of PLO factions was held with the majority of those attending favoring confrontation with King Hussein's troops.