When buck finally refused to pull the sled what was his fate in the call of the wild?

When Buck finally refused to pull the sled in "The Call of the Wild," he asserted his independence and broke free from the oppressive control of his human masters. This act of defiance marked a turning point in his transformation, as he embraced his primal instincts and the call of the wild. Ultimately, Buck's refusal led him to join a wolf pack, symbolizing his complete return to nature and the fulfillment of his true identity.