What is commonly referred to as the prosperity decade in United States history?

The prosperity decade in United States history is commonly referred to as the Roaring 20s, a time characterized by significant economic growth, cultural flourishing, and social change. This period, which lasted throughout most of the 1920s, saw a dramatic increase in consumer goods production and consumption, alongside a surge in entertainment and leisure activities. The aftermath of World War I led to a sense of optimism and a consumer-driven economy, encouraging innovations and significant advancements in various sectors, particularly in technology and the arts.

Additionally, this decade saw the rise of jazz music, flapper culture, and a shift in social norms, particularly regarding women's rights and behaviors. This vibrant cultural landscape made the Roaring 20s a defining epoch of prosperity and change, setting the stage for the challenges that would follow, such as the Great Depression in the 1930s. The term "prosperity decade" is reflective of the economic and cultural milestones achieved during this time, distinguishing it from the struggles of other historical moments mentioned in the answer choices.