Concept:In the Hausa/Fulani pre-colonial administration, each major title had a specific duty.Explanation:The madawaki was the official appointed to lead the army.He served as the commander-in-chief of military forces.Other titles had different roles: the waziri was the chief adviser, the galadima handled palace affairs, and the maaji managed finances.Therefore, the correct answer is madawaki.Answer:B. madawaki