Transcontinental Railroads: Compressing Time and Space main idea

{Margaret Irvein Carrington wrote in 1869 "with only a single wire to underlie the Pacific, the whole earth will become as a whispering gallery, wherein all nations, by one electric pulsation, may throb in unison, and the continent shall tremble with the rumbling of wheels that swiftly and without interruption or delay transport its gospel and commerce."}

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abraham lincoln  (february 12, 1809  – april 15, 1865) was an american statesman, politician, and lawyer who served as the 16th  president of the united states  from 1861 until  his assassination  in april 1865. lincoln led the nation through the  american civil war, its bloodiest war and its greatest moral, constitutional, and political crisis.[2][3]  he preserved the  union,  abolished slavery, strengthened the  federal government, and modernized  the u.s. economy.