A Review Of Ziyara state Kano
History has it that under Queen Amina, whose armed forces conquests created a tributary realm that incorporated the kingdoms of Kano and Katsina, the city-state reached its peak of dominance. The process of amassing slaves for all Hausa Bakwai, especially for the northern markets of Kano and Katsina, fell towards the southernmost in the 7 states.