Persuasive essay is an essay all about what you think about a topic. I think that it is something that we need it because you can embrace what you think and feel. It can inform your reader about what you think and why you think that. With out persuasive essays you would never be able to see the whole other half to the story. It can expand you knowledge. So next time you pick up a persuasive essay think about what you could know, and how it could expand your knowladge.