Answer:
Conclusion
Step-by-step explanation:
The word that best completes this sentence is "conclusion." The conclusion is the section that ends a text. In this section, the author usually summarizes the main points of the text in order to help the reader review and remember them. Moreover, in this section the author tries to leave a lasting impression on the reader, to ensure that his text is remembered. This is often achieved through a statement that leaves the reader with something to think about.