Concept:The Ajele was a political agent sent by the Alaafin to represent his authority in each district.Explanation:The Alaafin of Oyo posted Ajele officials to oversee different parts of the empire.They monitored local rulers and made sure that the Alaafin’s orders were obeyed.They also supervised trade and reported events to the Alaafin.Their main duty was to check the conduct of district chiefs and ensure proper administration on behalf of the Alaafin.Answer:B. ensured good governance of the district