Unit 1: Introduction
From the era of Reconstruction into the beginning of the 20th century, the United States underwent an economic transformation that involved the maturing of the industrial economy, the rapid expansion of big business, the development of large-scale agriculture, the rise of national labor unions, pronounced industrial conflict, the Progressive movement, and the expansion of the United States into new territories.
Unprecedented levels of immigration and urbanization, a spectacular outburst of technological innovation, and the emergence of the United States as a world power, framed the society we have today. As you read this section think about the issues facing American society today, and how they reflect the issues of the past.
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