To grow larger and more powerful. They didn't have to pay people to work so they were able to keep to money and continue to buy more land and grow.
Responding to xenophobic concerns, congress passed an emergency law restricting immigration in 1921. Among other provisions, the act established .a quota for nationalities on the basis of their numbers in the US in 1910,
The quota that enacted limit a specific race from entering the united states within that period
hope this helps
Answer:
Living conditions and working conditions in large industrial cities were typically dirty, overpopulated and unsanitary usually spread due to poor sanitation which caused various life threatening diseases