Answer:
Factories were being built, businesses were in need of workers. With a long line of people willing to work, employers could set wages as low as they wanted because people were willing to do work as long as they got paid.
Step-by-step explanation:
Additional facts: American men still only brought home poverty wages for a 60-hour work week with no paid holidays. The workplace was dangerous, with nearly eight times the accidental death rate of modern industry, and there were no disability payments for those who could no longer work due to injury.