Question

What was a major social change as a result of the Second Industrial Revolution in the United States?

Less people immigrated to the United States
Cities and urban centers formed around factories as people migrated there for jobs
Children had to win the right to work in factories
The food supply decreased due to less farm workers

Answer 1

Cities and urban centers formed around factories as people migrated there for jobs

Step-by-step explanation:

People continued migrating to the US, children didn't have to win the right to work, and the food supply did not decrease.