Read these sentences from The Call of the Wild that describe Buck.

It was Buck, a live hurricane of fury, hurling himself upon them in a frenzy to destroy.

***

Thenceforward he would be unafraid of them except when they bore in their hands their arrows, spears, and clubs.

Buck’s attitude toward the Yeehats changes because he becomes

more sensible.
more cautious.
more sympathetic.
more angry.