What do you think Achebe's purpose is in including this story in the novel, and how does this story contribute to the success of the plot

as a whole?

Hello. You did not inform the story to which this question refers, which makes it impossible for it to be answered accurately. However, I will try to help you in the best possible way.

When an author includes a story in a novel, he wants to extend and intensify the meaning of the novel as a whole, allowing the reader to make a connection between the two stories that point to the same subject in some way. This extension and intensification of meaning allows the reader to better understand the main themes of the work, contributing to its success, which becomes palatable and identifiable.

either online or traditional classroom can work for students. which is better will depend on students and teacher. students may have trouble following a lesson in classroom while they can study at their own pace online. other students may have trouble staying focus on their own in online classes. teachers are more used to classroom teaching but they may also be more worry about their jobs teaching online classes and work harder.

we need more information in order to answer.