4. AL-ANDALUS FROM THE 11 TH TO THE 15 TH CENTURIES THE ALMORAVIDS - The taifas states lost territory to the Christian kingdoms in the 11 th century. - But in the north- west Africa, a nomadic Muslim people called the Almoravids built a considerable empire. - Afer the Christian conquest of Toledo, the Almoravids entered the Iberian Peninsula. - The Almoravids defeated Alfonso VI at the Battle of Sagrajas stopping Christian progress. They reconquered the city of Valencia and took the control of the taifa states. - The Almoravids imposed very strict rule in Al-Andalus and were intolerant of the Christian Mozarab and Jewish minorities. - They ruled lasted until the mid- 12 th century. - They were weakened by Christian opposition and the rise of the Almohads in north Africa.