12. which sentence from the second essay sums up its main argument best? a. advertising has become a form of art b. some people think we need to be stricter with our advertising c. people see the advertising and say "i want one of those" d. i think that advertising actually serves a useful purpose. essay: some people think that we need to be stricter with our advertising. i disagree i think that advertisign actually serves a useful purpose many products in america are sold simply because they have been marketed well. i have bought some of them myself. no doubt you have too. people see the advertising and say, i want one of those. now behind everyone of those products there is a company that made the product and of tstore that sold it.