Note: simply tacking on additional paragraphs or inserting words is not revision (see: Revision vs. Editing). Sometimes, in the middle of a difficult paragraph, students will glance back at the question, and get a new idea. To avoid linear additions, you should ideally avoid going off on tangents. But even a very short paper is a result of a process. If you stumble onto a good idea in the middle of your paper, go back and change your thesis statement to account for your new ideas. He then writes a conclusion that proves that independence and prosperity are inseparable. Unfortunately, Joe started out by making a claim about independence and public morals. If Joe tacks yet another paragraph onto the end of the paper, he will further dilute his conclusion.
In, modern Times, The Little Tramp symbolizes the simple human values that are threatened by industrialism. The author of the above passage not only wastes time composing six sentences before getting to her thesis (the very last sentence she also clouds the issue by bringing up topics (religion, music, and Communism) that she has no intention of ever mentioning e. If the question asks you to explain a topic, then a paragraph that presents your personal opinion wont be of much help. If the question asks you to present a specific example, then a paragraph that summarizes what some people say about the topic wont be very useful.