B. • The economy blossomed as consumers had newfound wealth and credit to buy new products.
During the 1920s, often referred to as the "Roaring Twenties," there was significant economic growth fueled by mass production techniques, increased consumer spending, and the expansion of credit. New consumer products such as automobiles, radios, and household appliances became widely available, and innovative advertising strategies helped promote these products, leading to increased consumer debt and spending. This contributed to a prosperous economy during that decade.