Nigerian storytelling has historically been an oral tradition.
Historically the stories were told and passed down from generation to generation by words spoken rather than written. Traditionally, Africans have revered good stories and storytellers, since the majority of past and present peoples accross the world are rooted in oral cultures and traditions. n Nigeria, the art of storytelling has been used accompanied with drumming for hundreds of years, aimingto share news and to pass down legends and beliefs from generation to generation.
I think it would be ‘problem and solution’ but i haven’t read the article because it isn’t linked. however ‘problem and solution’ does sound like it would fit best :)