Why did the united states shift to an industrial economy?

Two factors that helped the US shift to an industrial economy during the Gilded Age included the Transcontinental Railroad and the Bessemer process. The Transcontinental Railroad allowed businesses to ship their goods at a very cheap rate to cities all over the US. This helped these industries to grow.

Do you have more info about it ? i doubt this is the answer because i don't have all the information but if trouble was brewing in a clinic maybe it was an argument as to which clinic was better or smth of that nature

The answer is c socialist