A History of US: An Age of Extremes: 1880-1917A History of US Book Eight (A ^AHistory of US)Recommended by the Common Core State Standards for English Language Arts and Literacy as an exemplary informational text. For the captains of industry men like Andrew Carnegie, John D. Rockefeller, J. P. Morgan, and Henry Ford the Gilded Age is a time of big money. Technology boomed with the invention of trains, telephones, electric lights, harvesters, vacuum cleaners, and more. But for millions of immigrant workers, it is a time of big struggles,