Why should you use clustering as a prewriting approach when preparing to write an argument research essay? You should use clustering to narrow down into several larger categories all of the reasons your instructor should just give you an "A" right now and call it good. You should use clustering to prove to your classmates that you have the coolest 3D diagramming skills. You should use clustering to generate ideas, like support, opposition, and library search words and phrases. You should not use clustering; it is very confusing and unhelpful