The earliest contact of Islam with Africa dates back to the period of A 'Umar b. Khattāb B. 'Uthmān b. 'Affān C . 'Alī b. Abī Tālib 'Ulūm ad-dīn is the title of a book written by
Ibn Rushd.
Explanation
Another of al-Ghazali's major works is Ihya' Ulum al-Din or Ihya'u Ulumiddin (The Revival of Religious Sciences). It covers almost all fields of Islamic sciences: fiqh (Islamic jurisprudence), kalam (theology) and sufism.
It contains four major sections: Acts of worship (Rub' al-'ibadat), Norms of Daily Life (Rub' al-'adatat), The ways to Perdition (Rub' al-muhlikat) and The Ways to Salvation (Rub' al-munjiyat). The Ihya became the most frequently recited Islamic text after the Qur'an and the hadith
