When large cities like New York, Detriot, and Philadelphia were becoming popular, the availability of jobs began to increase to large amounts. In this case, millions of people began moving to these cities to find jobs and make money.
This allowed the availability of first responders, sports, business companies, resturaunts, and shops to thrive and began to hire workers.
When millions of people began moving to the larger cities, this left the rural areas with the lack of workers and then slowly began to change the job market and economy.
Answer: From the late 19th to early 20th centuries, cities grew, factories spawled, and people's lives became regulated by the clock rather than the sun. It was a tremendous transformation of people's lives says, Joshua B. Freeman professor of history a Queens College and author of Behemoth'sThe Making of the Factory and the modern world.
Explanation: Give me the brainiest no thanks
