Respuesta :
Due to the growth of service industry in the late 1800s, the middle class in the United States grew as people took jobs as clerks, lawyers, and teachers.
Explanation:
In the late 1800s, America was perceived as the land of economic opportunity. Many people immigrated to America seeking job opportunity.
The service industry in the United States grew in the late 1800s. Petroleum refining, steel manufacturing and electrical power industry emerged after the Civil War. This led to great Industrial Revolution. Growth in industry causes industrialists wealthy and middle class prosperous.
The middle class people improved their status by working as clerks, lawyers, and teachers.