A.The role of inland waterways in the nation’’s growth.B.The development of New York City as a seaport.C.The growth of the railroads.D.The disappearance of the canal system.
A.The role of inland waterways in the nation’’s growth.
B.The development of New York City as a seaport.
C.The growth of the railroads.
D.The disappearance of the canal system.