Is the book Grapes of Wrath a metaphor for social equality and if so how?

Yes, "The Grapes of Wrath" can be seen as a metaphor for social equality as it depicts the struggles of the Joad family, representing the plight of migrant workers during the Great Depression. The novel sheds light on the injustices faced by the poor and marginalized, advocating for empathy and understanding towards those who are struggling to survive in a society that often neglects their well-being.