because buck wants to undermine spitz authority.
Because both wanted to be leader. It's a fight for leadership.
Buck kills/killed Spitz.
because spitz picked on him constantly.later buck killed spitz.
if you are talking about call of the wild, spitz is aggressive and buck shows that in the end when he kills spitz
buck's killing spitz.
Spitz did not get along with Buck because both Spitz and Buck were leaders. Each of the dogs wanted to be the leader of the pack and of the sled team.
Francois & Perrault discovers that spitz is missing and the signs of battle on buck's body are the proof that the inevitable battle between buck and spitz has occured and that buck is the winner.
He is a dog that was Buck's enemy. The leader of the pack.
They fight and eventually Spitz dies.
Buck kills Spitz after chasing a snowshoe rabbit
When Curly was attacked, Spitz stood by and laughed.
A. Buck's killing Spitz.