How did john thornton die?
a. he died in the river rapids.
b. he was killed by native americans.
c. he was killed by a group of wild wolves.
d. he died from frostbite to his feet.

 b. He was killed by Native Americans

John Thornton was shot by arrows from a group Yeehat. He was later found by Buck who avenged him and killed some of his killers. Buck mourned Thornton and soon joined the pack of wolves whom he regarded as his true people.

b

Explanation: