Answer:
Migrant workers from Oklahoma
Step-by-step explanation:
The group of people who the 1930s song "Dust Bowl Blues" most likely about were the migrant workers from Oklahoma.
Dust Bowl Ballads is an album released by American folk singer named Woody Guthrie. The album was released by Victor Records in the year 1940. All the songs that was on the album dealt with the Dust Bowl and its consequences on the country and its people. Dust Bowl Ballads is considered to be the very first concept albums and also It was Guthrie's first commercial recording and the most flourishing and successful album released by Guthrie.
Drought and Depression caused the Southern and Great Plains states to became unlivable, California became the new comfort zone to desperate farmers. During this time, Guthrie spent time going from place to place with displaced farmers from Oklahoma to California. It was through this process that Guthrie know much about their traditional folk and blues songs and subsequently discovered his own version of the blues, and this earned him the nickname the "Dust Bowl Troubadour"