If the early U.S. railroad companies defined themselves as being in the transportation needs business, which is more customer-oriented, they might have successfully moved into what product/service before any other firm?
A.
Commercial aviation (such as Delta and United)
B.
Modern shipping and logistics (such as FedEx and UPS)
C.
International cargo containers on large ocean ships
D.
Fuel efficient automobiles (such as Toyota and Ford)