Who saves Buck from impending death at the hands of Hal?

A. Perrault

B. John Thornton

C. François

D. Judge Miller

B.) John Thornton saved Buck from impending death at the hands of Hal.

John Thornton was a gold hunter. He saved Buck from impending death at the hands of Hal when he wrestled the knife out of Hal's hands. John Thornton became Buck's final master and when John was killed by the Native Americans, Buck lived in the wild and yearly visits the place were John was killed.