Question

1. which element of literature is most often used as a persuasive tool?

language that is unusually vague or general
details related to the storys setting
minor characters who act as villains
a plot that reinforces the storys message

Explanation:

A plot that reinforces the story's message can be used to persuade the audience. Vague language is not persuasive. Setting - details and minor - villain characters are less directly persuasive compared to a message - reinforcing plot.

Answer:

D. a plot that reinforces the story's message