Assassination of Anwar Sadat arrest of numerous opposition figures. Though Sadat still maintained high levels of popularity in Egypt, it has been said that he was assassinated "at the peak" of his unpopularity. Earlier in his presidency, Islamists had benefited from the "rectification revolution" and the release from prison of activists jailed under Nasser but Sadat's Sinai treaty with Israel enraged Islamists, particularly the radical Egyptian Islamic Jihad. According to interviews and information gathered by journalist Lawrence Wright, the group was recruiting military officers and accumulating weapons, waiting for the right moment to launch "a complete overthrow of the existing order" in Egypt. Chief
Anwar Sadat were turned from bitter enemies into fast friends. The relationship between Cairo and Tehran became so friendly that the Shah of Iran, Mohammad Reza Pahlavi, called Sadat his "dear brother". After the 1973 war with Israel, Iran assumed a leading role in cleaning up and reactivating the blocked Suez Canal with heavy investment. The country also facilitated the withdrawal of Israel from the occupied Sinai Peninsula by promising to substitute the loss of the oil to the Israelis with free Iranian oil if they withdrew from the Egyptian oil wells in western Sinai. All these added more to the personal