Why tom joad go to prison?

Tom Joad goes to prison in John Steinbeck's "The Grapes of Wrath" after he kills a man in self-defense during a confrontation. This incident occurs when he is trying to protect Jim Casy, a former preacher who becomes involved in labor activism. Tom's prison sentence reflects the struggles and injustices faced by those fighting for their rights during the Great Depression. Ultimately, his experiences in prison shape his views on solidarity and social justice.