Answer:
Option: E. emergence of increasingly prosperous middle and working classes.
Explanation:
Economic advancement in many countries happened after the coming of the Industrial Revolution. During the Industrial Revolution, the factories and mills were able to produce goods in a cheaper and faster way. It also introduced to the middle and working classes in many countries. The working and middle classes began to emerge when people from rural areas moved towards urban to work in industries while some opened businesses in towns and cities.
