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You might have thought -- if you thought about it at all -- that the expansion of the Postal Service in the 19th century followed the settling of the Western half of the United States. But one historian just authored a book that tells us that the Postal Service, in fact, enabled the settling of the West in a historically short time. The book is: Paper Trails: The U.S. Post and the Making of the American West. The author is Cameron Blevins and he discusses his research with Federal Drive.\nLearn more about your ad choices. Visit podcastchoices.com/adchoices