buck tried to fight spitz because, spitz picked on buck constantly then they got in a fight then buck won and 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
Because both wanted to be leader. It's a fight for leadership.
They fight and eventually Spitz dies.
Because before the scientific revolution questions about existence were answered by two sources: the Pope and the Bible. NOT SCIENTISTSScientists undermined him because how dare they claim anything...