Respuesta :
B)Railroads - more cities could access railroads and increase trade. was built more in the 1800s.Canals was a short-lived era. [ Railroads beginning in the late 1830s and early 1840s were built because they were faster and more reliable than Canals which were often destroyed by washouts of the banks and floods destroyed many canals. The first transcontinental was completed in 1869, by 1900 therewere 15 transcontinental railroads. ]
In the 1800s, railroads were built more because B. Railroads- more cities could access railroads and increase trade.
Why were railroads built in large quantities?
In the 1800s, the United States was still developing and expanding and so needed easy access to its many territories.
Railroads made these territories, cities and state, quite accessible and so were built more than canals which required the presence of water.
Find out more on canal building at https://brainly.com/question/11310163.
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