WORLD HISTORY

Detailed explanation-1: -They worked with the rulers as advisors, councilors etc. for instance, Ibn Yasin established a Zaniyaor college and founded the Almoravid movement which contributed considerably to the spread of Islam in the Sahara and Western Sudan.

Detailed explanation-2: -Answer and Explanation: One reason why the Almoravids invaded and declared war on Ghana was because they envied its great wealth and influence. But there was another reason as well. Although much of Ghana had been converted to Islam, traditional African belief persisted either in combination with or defiance to it.

Detailed explanation-3: -The Almoravids, was a Berber dynasty from the Sahara that spread over a wide area of North-Western Africa and the Iberian peninsula during the eleventh century. They created the first Moroccan and trans-Maghreb empire. They were invited by the Muslim rulers in Iberia to aid them against the Christians.