Some people have different perspectives on topics. Say that you liked comics because the store across the street inspires you to make your own. But, I don't like comics. If a survey is on the newspaper that says "Who wants to close down the comic store," then we will have two different perspectives. You will probably protest and be upset while I could care less and tell them to close it.
An argumentative statement is a statement, typically in an essay, which can be argued for or against. This statement is specific in order to be argued.