At age 70, () turned his attention more closely to railroads, establishing a new conglomerate that r

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At age 70, () turned his attention more closely to railroads, establishing a new conglomerate that revolutionized rail operations by standardizing procedures and timetables, increasing efficiency and decreasing travel and shipment times.

A.Richard Trevithick

B.George Stephenson

C.James Strowbridge

D.Cornelius Vanderbilt

参考答案:

答案:Cornelius Vanderbilt