What was the most significant effect of the growing railroad system? A. The South grew wealthier than the North
B. Railroads stimulated economic development
C. The North transported more goods through shipping
D. Entrepreneurs stopped investing in roads and canals

B. Railroads stimulated economic development

Explanation:

The most significant effect of the growing railroad system was that the railroads stimulated economic development.

Thai brought about a society that was more interconnected as people could travel to other parts of the country. Counties were able to more easily work together due to the decreased travel time.

People got to their destinations faster and the railroad also helped in the delivery of goods as goods were delivered to customers and markets. Lastly, it also helped in facilitating international trade and economic development.

i would have to say i believe that it is a.

then your answer is a

hoped that