Theypainted representations of ghetto life i believe
The 1920s were a period of economic growth and transition. Real wages for most workers increased, while stock prices advanced as much during the 1920s as they had in the previous three decades
The Varnas ordered from top (highest status) to bottom (lower status):
Brahmins (priests, teachers and scholars)
Kshatriyas (warriors, administrators and rulers)
Vaishyas (merchants and farmers)
Shudras (laborers)
Dalits (<em>avarna</em>)
As you can see, the Varnas are fundamentally 4. However there are certain tribes that don't belong to any Varna, such as the Dalits which are classified as <em>avarna</em>.
Hope this clears things up!
They made most of there money growing crops such as tabbacco, cotton, and lumber.