Before revision: External factors The dramatic events that marked the Islamic world in the 1980s such as the Iranian Revolution , the assassination of Anwar Sadat and the death of Muhammad Zia-ul-Haq, the President of Pakistan set a start of increased immigration towards Western European states.
After revision: External factors The dramatic events that marked the Islamic world in the 1980s such as the Iranian Revolution set a start of increased immigration towards Western European states.