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this method could produce more steel in one day than the older techniques could turn out in one week.
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thomas edison and his team made contributions by finding a filament tthat would light up without burning up.
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this man used a steam engine to drill for oil near Titusville, Pennsylvania, in 1859
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gave lands to railroad companies to develop a railroad line linking East and West coasts.
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permitted "any citizen or intended citizen to select any surbeyed land up to 160 acres and to gain title to it after five years' residence"
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the countries first transcontinental railroad was completed in 1869.
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the TELEGRAPH was used to communicate over wires with electricity. the TELEPHONE was patented by alexander graham bell.