What question from The Grapes of Wrath by John Steinbeck that was unanswered?

One unanswered question in The Grapes of Wrath revolves around the ultimate fate of Tom Joad. The novel leaves readers wondering if Tom will continue to fight for social justice, or if he will be captured and killed by authorities. This ambiguity adds to the novel's powerful themes of resilience and the ongoing struggle for equality.