Respuesta :

Allusion, in literature, an implied or indirect reference to a person, event, or thing or to a part of another text. Most allusions are based on the assumption that there is a body of knowledge that is shared by the author and the reader and that therefore the reader will understand the author's referent.

Answer:

To provide context to a story.

Explanation:

Allusions refer to a reference an author make to another well-known work with a related topic to allow the reader to understand the meaning of the situation that the writer is talking about. According to this, the answer is that an author would use allusions to provide context to a story.