text: The Yatenga kingdom of the Mossi people launched a raid that sacked Macina and this city in the mid-14th Century.
full_question: The Yatenga kingdom of the Mossi people launched a raid that sacked Macina and this city in the mid-14th Century. Many manuscripts from this city are preserved in its Ahmed Baba Institute. Scholars fled from Walata to this city after the fall of the Ghana Empire, presaging its status as a center of learning based around the Sidi Yahya Mosque, the Sankore University, and the Djinguereber Mosque. Caravans brought salt to this city south from the Taghaza and Taoudenni mines to the Niger River. For 10 points, what cultural center of Mali flourished under the reign of Mansa Musa?
first_sentence: The Yatenga kingdom of the Mossi people launched a raid that sacked Macina and this city in the mid-14th Century.