Old landmarks ,rivers ,paths , old trading area’s , villages
Nigeria belongs to continent Africa. The Africans have a wonderfull oral tradition. So, your answer is Nigerian storytelling has historically been an D. oral tradition.
For this item and the choices we are given, I go with nonresponse. Thus, the answer is letter B. This process of surveying is one of the best there is; however, it faces the disadvantage that not every owner of the homes who have chosen may be kind enough to lend you some of their time to answer the questions.