Concept:Kano’s connection with Nupe is best remembered during the reign of Kano’s ruler, Sarkin Dauda.Explanation:Sarkin Dauda ruled Kano for a period around 1421 to 1438.His reign saw clear links between Kano and the Nupe province.Zaria was the leading power between them and controlled a large area nearby.Sarkin Ruwa, Sarkin Fada, and Sarkin Yandoka were different Kano palace titles, not the reign connected with Nupe.Answer:A. Sarkin Dauda