“It would be difficult, indeed, to overestimate the transcendent importance of the part the railroad has played in making the Nation what it is to-day. Perhaps it would be within bounds to say that without railroads to bind the States into one homogeneous whole, the Nation never could have attained its present size and importance.” StatesWholeWould BeNationsDifficultImportanceTrainBoundsSizeTranscendentRailroadsOverestimateHomogeneous Book:When railroads were new Source: When railroads were new