Canals were the mean of transportation that contributed to the growth of river cities such as Cincinnati.
Great rivers
Automobile
nothing
automobile
D the access to major waterways
developments in transportation
mississippi river
A major effect of transportation in the 1820s was that towns and cities experienced rapid growth.
railroads, mainly. steamboats were also invented but that didn't necessarily aid teh growth of cities.
The railway net.
The rapid growth of cities.
dEveloping the periphery through improving transportation