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."}

Explanation:

byzantine empire is the answer i think you are looking for.

hope this : )

the indians crossed artificial boundaries, setting the stage for conflict