Call of the Wild
Buck could never steal from John Thornton because he?
Buck could never steal from John Thornton because he
Buck could never steal from John Thornton because he
From the text:
Because of his very great love, he could not steal from this man, but from any other man, in any other camp, he did not hesitate an instant; while the cunning with which he stole enabled him to escape detection.
Call of the Wild