How did railroads and new technologies lead to the creation of national markets?

The railroads accelerated the pace of the Industrial Revolution. New technologies, such as machine building and iron and steel production, advanced to meet the demands of railroad growth. By providing cheaper and faster freight delivery, the railroads helped create a new national market.

Explanation:

The railroads accelerated the pace of the Industrial Revolution. New technologies, such as machine building and iron and steel production, advanced to meet the demands of railroad growth. By providing cheaper and faster freight delivery, the railroads helped create a new national market.

B. Planning where to put new buildings in a city

Explanation:

Planning where to put new structures in a city was the advancement of bronze age and a general thought of urban planning to others are associated with the Paleolithic time and printing press and industrial printing is a medieval invention.