Final answer:
Both the 1920s and the Great Depression had significant impacts on the development of US society, with the 1920s contributing to cultural changes and economic growth, while the Great Depression brought about social reforms and shifted the role of the government.
Step-by-step explanation:
Between 1915 and 1945, both the 1920s and the Great Depression of the 1930s had significant impacts on the development of US society, but in different ways.
The 1920s, often called the 'Roaring Twenties,' were characterized by economic growth and cultural transformations. The decade saw the rise of consumerism, the development of new mass media such as radio and movies, and the emergence of new forms of music and literature, such as jazz and the works of the Lost Generation and the Harlem Renaissance. This period also witnessed changes in social attitudes, such as the flapper culture and the breaking of traditional gender roles.
On the other hand, the Great Depression of the 1930s had a profound impact on the United States. It led to social reforms and economic restructuring. The Depression exposed the flaws in the country's economic system and brought about changes that aimed to prevent such a crisis from happening again. The New Deal, implemented by President Franklin D. Roosevelt, included various programs and policies that aimed to alleviate the suffering of the people and stimulate economic recovery. It also resulted in the expansion of the federal government's role in the economy and society as a whole.
Therefore, both the 1920s and the Great Depression had significant impacts on the development of US society, with the 1920s contributing to cultural changes and economic growth, while the Great Depression brought about social reforms and shifted the role of the government.