It's not possible to write a 300 word essay in a Blurtit answer box, and anyway you don't really think a stranger is just going to sit and write your assignment for you, do you? If you would like to learn more about rhetorical devices and their use please click here - you will find a list with examples. If you type 'rhetoric' in a search engine you will also find example of writing using rhetorical devices that you can use to help you get ideas, but you will have to write the essay yourself.