The U. S. Constitution defines how the government operates, what powers it has, and how it is structured. In this lesson, you looked closely at the structure and content of the Constitution and learned about the key principles on which it is based. Review the lesson objectives and key terms on this page. Can you do everything listed in the objectives? Do you know all of the terms on the key term list? If you answered yes to these questions, then you are ready to move on with the rest of this review activity. If you answered no, then it would be a good idea to go back and review the lesson.