Why do authors use rhetorical devices in essays ?

A rhetorical device uses words in a certain way to convey meaning or to persuade. It can also be a technique to evoke an emotion on the part of the reader or audience.

Also known as persuasive device or stylistic device, the rhetorical device is a technique that is often used by an author or speaker to express something that is intended to change the mind of the listener or reader about the subject. This can be done by emotional display, logical reasoning, and other ways. Although it can actually evoke a strong emotional response, it isn't the goal of the rhetorical devices.

um, what am i suppose to answer here? it just said that he will studied hared because of a grade in spanish.

pandas are endangered because of habitat destruction by humans.

as of 2014 there were around 2,000 left, since then, it supposedly has risen 17%.

they are a very endangered species.

-theoneandonly003