Respuesta :
Answer: Technology
Explanation:
One of the reasons cities and nation's began growing rapidly in the 1800's was due to technology. Technology created room for industrial expansion. Most cities started becoming noisy by cars, air pollution became a rising issue causing damage to the health concern of people but development was the aim, so countries found a way to live about and around the deficiency that came with technology. Buildings began having elevation and more security conscious measures were adopted.
Answer:
Manufacturing grew in cities because of the Industrial Revolution.
The transportation revolution increased trade to and from cities.
Many immigrants settled in cities as they searched for work.
Many people moved from the countryside to cities in search of jobs.
Explanation:
