A reason consumerism increased in the 1920s was because many working people earned more money. The correct option among all the options that are given in the question is the second option. As the earning of people increased, the power of buying goods from the market also increased. This increased the consumerism.
A reason consumerism increased in the 1920s was because many working people earned more money. Option B is correct.
Consumerism refers to the theory stating that it is economically attractive to encourage the attainment of goods and services in ever-increasing amounts.
In 1920, the increase of prosperity of the United States gave rise to the emergence of American Consumerism in the period in history called the Roaring Twenties.