Question

• was the 1920s truly \prosperous\ for everyone?
• did prohibition cause more problems than it solved?
• how did new ideas about culture, race, and science shape american society?

Explanation:

These questions relate to the study of historical events and their social impacts in the 1920s in America, which falls under the subfield of History (within Social Science). History examines past events, social conditions, and how they shaped societies, which aligns with analyzing the 1920s prosperity, Prohibition's effects, and cultural/scientific ideas' influence.

Answer:

The subfield that best applies is History (under Social Science).