sentences:  Under the terms of the 1969 Cairo Agreement, the Lebanese Army does not conventionally enter the Palestinian camps, and internal security is provided by Palestinian factions.The camp was established in December 1949 by the League of Red Cross Societies in order to accommodate the Palestinian refugees suffering from the difficult winter conditions in the Beqaa Valley and the suburbs of Tripoli.The camp was established outside any major Lebanese towns or settlements, which left Nahr al-Bared more isolated from the Lebanese society than many of the other camps in Lebanon.