The author's purpose in writing literary history the epic and the epic hero is most likely .
a) to entertain readers with a humorous story about a hero and his adventures
b) to persuade readers to study a story form as a way of learning writing techniques
c) to inform readers about a style of literature that contributes to an understanding of a people
d) to encourage readers to examine early literature as a means of understanding character development

c

Explanation:

c) to inform readers about a style of literature that contributes to an understanding of a people

Explanation:

a biography is a genre that mainly accounts somebody's life and that is written by somebody else. this genre supports sonia nazario's desire to share enrique's life because she can fully inform readers of his entire emotional journey.

in a biography, an author can share the readers almost everything about a person's life, or just one key event or personal aspect the author is interested in telling, like in this specific case in which sonia nazario is centered in enrique's emotional journey.