good rival for the strong ,the same for Buck .Spitz reserved Buck .As Chinese saying goes ,a strong opponent make you strong too .So Buck ‘s achievement was closely related to Spitz .
　　
　　Things gradually changed .Buck was not a good –natured one any more ,he came to realized that he was strong enough and can do the same thing with Spitz ,he always did trouble for Spitz ,the other dogs also started challenged the authority of Spitz .But for Buck ,it was far more not enough ,for he wanted was the leadership of the team .
　　
　　The life or death fight
　　
　　The final fight between Buck and Spitz came ,it was not a coincidence but a necessity .Both of them knew clearly in their inner heart ,so none of them tried to get away or avoid .They already had prepared it for a long time .At that moment ,who got the rabbit was no longer important at all .No one cared .The other dogs also knew it clearly ,at the last moment ,they all were silence and waited for something they had ex