Final answer:
Urbanization is the subject of this question, exploring the growth of cities and its impacts during the Industrial Era.
Step-by-step explanation:
Urbanization is the subject of this question. During the Industrial Era, there was a global growth spurt that led to the development of factories and the migration of people from rural to urban areas.
This shift from agrarian to industrial economies caused major population shifts and brought about significant changes in labor practices and living conditions.
While urbanization offers economic advantages, it can also lead to issues such as traffic congestion, pollution, overcrowding, and increased inequality.