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OverviewFrom 1800 to 1900 the territory of the United States expanded fourfold, and the population skyrocketed from about five million to seventy-five million plus. Two key innovations in technology helped this rapid development take place: steam and electricity. This easy-to-read guide traces the rail system's impact on shipping, travel, and the taming of the western frontier. Also covered are unprecedented advances in communication and other technology, such as new steel processes and improved farming tools. These changes not only ushered forth a new era of American progress but also formed the foundation of the modern world. Full Product DetailsAuthor: Xina M UhlPublisher: Rosen Education Service Imprint: Rosen Education Service Weight: 0.125kg ISBN: 9781680487961ISBN 10: 1680487965 Pages: 48 Publication Date: 30 December 2017 Recommended Age: From 10 to 14 years Audience: Children/juvenile , Children / Juvenile Format: Paperback Publisher's Status: Active Availability: Available To Order ![]() We have confirmation that this item is in stock with the supplier. It will be ordered in for you and dispatched immediately. Table of ContentsReviewsAuthor InformationTab Content 6Author Website:Countries AvailableAll regions |