1. To introduce the topic: This means clearly stating what the essay will be about. It should give the reader a general understanding of the subject matter and the specific focus of your argument.
2. To establish your thesis statement: This is the central claim or argument of your essay. It should be a concise and focused statement that directly answers the essay question or prompt.
3. To engage the reader: This means capturing the reader's attention and making them want to continue reading. You can do this by using a strong hook, such as a surprising fact, a thought-provoking question, a vivid anecdote, or a relevant quote. The introduction should also provide context and background information to make your argument understandable and relevant to the reader.