By including this intercalary chapter what effects is steinbeck most likely attempting to achieve?

Steinbeck wanted to tell a more comprehensive and expansive story about the Dust Bowl than would be possible by simply telling the story of the Joad family.

what was the

she was killed in her home during hurricane katrina. b.she was relocated to another town after hurricane katrina. c.she died trying to get victims of the hurricane to safety. d.she is still missing — police do not know where she is.