Challenges of the Early Republic Lesson Plan Unit (1789-1828) covers the tumultuous early years of the United States and discusses several integral topics that occurred during this time frame, such as: the Election of 1800, the Louisiana Purchase, the War of 1812, and the Era of Good Feelings, among many others.EVERYTHING you need to teach these topics, and those outlined below are INCLUDED!ALL lesson plans come complete with PowerPoint presentation, guided notes handout worksheet for students,