In the 1820s-1830s, the united state began transporting more goods on river steamboats. canals were also built to connect water routes throughout the country. why did the infrastructure of the early united state develop mainly through water transportation?
a. it was cheaper to built ships and canals than roads and wagons.
b. water routes were less dangerous to travel through than land routes.
c. it was easier and faster to carry goods over water than over land.
d. water routes covered less geographic distance than land routes did.