What was the economic prosperity of the 1920s was mainly the result in?

The economic prosperity of the 1920s, often referred to as the "Roaring Twenties," was mainly the result of industrial growth, technological advancements, and increased consumer spending. Innovations such as the assembly line and mass production techniques led to greater efficiency and lower prices for goods. Additionally, the expansion of credit and the Stock Market fueled consumerism, allowing more Americans to purchase automobiles, appliances, and other products. This era of economic boom was characterized by rising wages and a flourishing middle class, although it ultimately set the stage for the Great Depression at the decade's end.