 Complete the following phrase:  The Maghreb fell into a civil war in 739 that lasted until 743 known as the Berber Revolt. The Berbers revolted against the Umayyads, putting an end to Eastern dominion over the Maghreb. Despite racial tensions, Arabs and Berbers intermarried frequently. A few years later, the Eastern branch of the Umayyad dynasty was dethroned by the Abbasids and the Umayyad Caliphate overthrown in the 