We can infer from the passage that Buck ……….

In The Call of the Wild, Jack London tells the story of a dog named Buck, which is kidnapped from the safety of his California home and turned by the brutality of humans into a sled dog in the Klondike, and finally into a leader of the wolves. Powerfully written and deeply disturbing, the book calls attention to the hidden forces — in both human beings and beasts — that come to the surface in a struggle for survival. London unconsciously shows his sense of identification with the nature of the wolf, both as a lone animal and, through strength and cunning, as the leader of the pack.