People have always had, and always will have, differing opinions and perspectives. Over the history of the United States, members of many groups have found themselves at odds over any number of issues. Sometimes they resolved these issues peacefully, and sometimes they didn't. But one thing is for sure: the United States has changed because of them. In this set, readers will learn about some of these adversarial relationships in American history and why members of the different sides thought the way they did, and how we regard some of these issues today, and why. They'll also get the chance to read what these people thought in their own words and how they tried to convince others they were in the right. Features include: Follows the C3 Framework for Social Studies State Standards of the National Council for the Social Studies. Texts examine why people form different opinions and hold differing points of view by focusing on the people and events of different times in U.S. history. Primary sources provide readers with additional opportunities to draw historical connections.