This volume presents documents that illustrate the variety of experiences and themes involved in the transformation of American political, economic, and social systems during the Gilded Age and Progressive Era (1870-1920). * Includes nearly 70 documents which cover the period from the end of the Civil War and Reconstruction in the 1870s through World War I * Explores the experiences of people during the Gilded Age and Progressive Era from a variety of diverse perspectives, including important political and cultural leaders as well as everyday individuals * Charts the nationalization of American life and the establishment of the United States as a global power * Introduces students to historical analysis and encourages them to engage critically with primary sources * Introductory materials from the editors situate the documents within their historical context * A bibliography provides essential suggestions for further reading and research