What was one of the most important impacts of the second industrial revolution?

the development of infrastructure such as canals, railroads, telegraph, telephones, and electric utilities which resulted in the expansion of other industries such as mining and for industrial expansion to places outside the biggest cities.

the economic difference between the three colonial regions. shipbuilding, whaling, fishing, and trapping where also main factors to the economy. the southern regional colonies economy was based on sugarcane, rice, cotton, tobacco, and indigo.