Answer:
It raises the issues of cultures and traditions in Umuofia village, and the belief that men should be strong both in action and decision making.
Explanation:
Ikemefuna sub story in the book Things Fall Apart, deals specifically about how Ikemefuna came to be in the village of Umuofia, in which Okonkwo, a reputable and well respected personality, housed Ikemefuna, while acting as a father to him, a knowledge unknown to Ikemefuna, who was a very small child at the time of adoption, and was actually considered as a settlement between a nearby village and the village of Umuofia over a certain disputes.
However, due to certain happenings in Umuofia village, and the conclusion of the village elders to sacrifice Ikemefuna to the gods, Okonkwo, despite being regarded as the father to Ikemefuna and very closer to him, decided to participate in the execution of Ikemefuna, so as to appear not to weak among the village elders, in which Okonkwo eventually execute Ikemefuna in the process.
The death of Ikemefuna which is the sub story of the book, raises the issues of cultures and traditions in Umuofia village, and the belief that men should be strong both in action and decision making.
It later set the tone of the events that occurred in the book, some of which is the degeneration of Okonkwo and his son Nwoye's relationship, and as well the symbolic exile of Okonkwo from Umuofia.
