Walata was a major trading center after the fall of the Ghana Empire. Muslim traders transferred activities from Kumbi-Saleh, possibly because of the instability that followed the decline of the Ghana Empire. They rejected the authority of Samanguru.
Work Cited
Davidson, Basil, Buah, F. K. ,and Ajayi, J.F. Ade(1966). A History of West Africa. Doubleday:New York. Library of Congress Card #66-24317.