Question

fads of the 1920s
what was one of the fads of the 1920s?
backgammon afternoon tea parties wall - climbing
dance crazes

Explanation:

Dance crazes like the Charleston were extremely popular fads in the 1920s, a decade known for its lively youth culture and new social norms. Backgammon, afternoon tea parties, and wall-climbing were not defining fads of this era.

Answer:

dance crazes