There are three general purposes a person can have when writing or speaking: to persuade/motivate, to inform, or to entertain. Propaganda and advertising have the purpose of persuading people to do something. Usually, advertising focuses on making people buy a certain product. For that reason, they describe the product, its characteristics and features, and make it seem as if it is a nice thing to have - something that will make your life easier and happier. That is what the author does when describing the chopper. This product is fast - vegetables are cut in 30 seconds - and cheap - $29.95. At the end, we even have the use of imperative - "Order yours today!" The purpose here is clearly to persuade people to buy this product.
I think the correct answer from the choices listed above is the third option. The christian theme of uncle tom’s cabin comes closest to reflecting the power of emotion over logic which a common trait of american romanticism. Hope this answers the question. Have a nice day.
