Answer:
The middle class created a high and sustained demand for consumer goods
Step-by-step explanation:
Before the advent of the industrial revolution, the social stratification of society is such that either you are in the lower class of the poor or you are part of the rich in the upper class. The industrial revolution of late 18th and early 19th centuries saw the springing up from the lower class a new set of wealthy and educated individuals which were later termed the middle class
This reach men and women are able to buy goods needed to satisfy their newly found social status which boost demand for new and quality goods produced as a result of industrial revolution.