Final answer:
The subject of this question is Arts. The song 'Brother, Can You Spare a Dime?' became the anthem of the Great Depression, symbolizing the struggles of the common man during that time.
Step-by-step explanation:
The subject of this question is Arts. The song mentioned in the question, titled Brother, Can You Spare a Dime?, became the de facto anthem of the Great Depression. It speaks to the hardships faced by the common man during that time. The lyrics and popularity of the song reflect the historical and social context of the Depression era.