Era of Pre-Islam 5item Was any religious leader for guiding the Arabian Peninsula in the period of "Fatrat"? How was the cultural environment of Hijaz before the prophetic mission of the Prophet? Please explain this issue. Who were the Ansar? When and by whom did idol worshipping start in Mecca? Please tell me, with reliance on historical evidence, as to how the Islamic modest dress came into being during the period of the Holy Prophet (s).