What are the purposes of exposition in a story?

What do mcmahon’s references to thomas carlyle and john stuart mill do for his own image and credibility?

Certain predictable elements of beowulf, such as the superhuman hero and the quest to defeat evil, are common to the form. a. story b. plot c. epic d. novel

Using the ideas in these sentences the reader can most likely conclude that the father 1.enjoys surprising his wife with news. 2.is easily provoked into over-reacting 3.does not hold high regard for ojukwu. 3.does not respect his wife’s political views. :