Original sentence: The Arab world opposed the establishment of a Jewish state in Palestine from the outset, but during the course of the conflict between Israel and the Palestinians since 1967, the legitimacy of Israel, and thus of Zionism, has been questioned in the wider world
Edited sentence: The Arab world's persistent hostility to Jews and the state of Israel has inspired, through a dearth of objective information, negative attitudes towards Israel, and thus Zionism, in the wider world.With much hostility, the Arab world opposed the establishment of a Jewish state in Palestine from the outset, and throughout the conflict between Israel and the Palestinians since 1967, has refused to acknowledge Israel's legitimacy as an independent Jewish state