Anwar Sadat favorable among Egyptians, it was rejected by the country's Muslim Brotherhood and the left, which felt Sadat had abandoned efforts to ensure a Palestinian state. With the exception of Sudan, the Arab world and the Palestine Liberation Organization (PLO) strongly opposed Sadat's efforts to make a separate peace with Israel without prior consultations with the Arab states. His refusal to reconcile with them over the Palestinian issue resulted in Egypt being suspended from the Arab League from 1979 to 1989. The peace treaty was also one of the primary factors that led to his assassination; on 6 October 1981, militants
History of Egypt under Anwar Sadat allowing it to publish a monthly magazine, al-Dawa, which appeared regularly until September 1981 (although he did not allow the group's reconstitution). In 1971, the concentration camps where Islamists were held were closed, and the regime began to gradually release the imprisoned Muslim Brothers, though the organisation itself remained illegal; the last of those still behind bars regained their freedom in the general amnesty of 1975. Sadat also considered Islamists, particularly al-Gama'a al-Islamiyya, a "useful counterweight" to his Marxist and Arab leftist opposition, student groups being particularly vocal and active. From 1973 to 1979 al-Gama'a al-Islamiyya grew (in part with