Answer:
Millions of people from the rural Midwest moved to cities.
Step-by-step explanation:
Millions of people from the rural Midwest moved to cities. During this period, there was a significant shift of population from rural areas to cities in the Northeast, as many people sought to take advantage of the economic opportunities provided by the growing industrial sector. This migration was driven by a combination of factors, including the availability of jobs in the cities, improved transportation infrastructure, and the desire for a better standard of living. The result was a significant increase in the urban population in the Northeast, as people flocked to the cities in search of work and a better future.