Answer:
Urbanization
Explanation: Millions poured into cities for jobs in factories during the industrial era. This rapid urbanization resulted in overpopulation, crowded tenements, strain on city service, health issues etc.
The southern part of the country
Your answer should be D, so many people had to seek mental help services due to the situation that had occurred.
Answer: texas became part of the United States!
Explanation:They became part of the United States because that’s what thI they became part of the United States because that’s what they were fighting for!