This one-unit course will explore the development of the United States since 1878. Students will describe and analyze effects of the Reconstruction Era amendments to the United States Constitution, examine the impact of immigration and the settlement of the American West on American society, and evaluate the economic effects of the industrialization and the changing role of the United States in world affairs at the turn of the twentieth century. The student will also describe the social, cultural, and economic events between the World Wars, investigate and analyze the Great Depression, identify the causes, events, and effects of World War II, and assess the foreign and domestic policies of the United State since World War II. The student will also examine the 9/11 attacks on New York City and Washington, DC. Throughout the course, the student will analyze primary and secondary sources and interpret timelines, charts, maps, graphs, pictures, photographs and political cartoons. Historical research and writing narrative elements effectively into arguments and informative texts will be required.