Answer:
1) the 1920s
Explanation:
The public service concept of the state was in decline during:
1) the 1920s
During the 1920s, there was a shift away from the Progressive Era's emphasis on government intervention and public service. This period, often referred to as the "Roaring Twenties," was characterized by a resurgence of laissez-faire economic policies, reduced government regulation, and a focus on individualism and free-market capitalism. The government's role in providing public services and addressing social issues diminished, reflecting a decline in the public service concept of the state during this time.
