Respuesta :
Two of the major factors were the railroads and the invention of the assembly line. With the finishing of the transcontinental railroad some 30 years earlier, the US had a nation that was linked coast-to-coast and was able to transport goods in a fraction of the time it previously could. With the invention and perfection of assembly line processes, those goods could now be produced in a fraction of the time, as well.
Answer:
Did you include any of the following information in your list?
new technology, such as electricity and telephones
new methods for raising capital
the creation of corporations and new business practices
the expansion of railroads, particularly in the West
Explanation:
edge