Answer:
Some big themes in The Call of the Wild are civilization vs the wild, follow your instincts, and the value of work.
I think The Call of the Wild will end with Buck returning to his wolf side and becoming one with the wilderness. This goes along with civilization vs the wilderness because Buck really loves John Thornton but he finds a thrill in doing wild things like killing his own food and exploring. It also goes with following your instincts because Buck wants to go towards the wild call that he hears so often, and which when he does he can connect with his true self.
Explanation: this is the answer
She hesitated every so often, searching for an answer that would tell them her exact thoughts, so the pencil scribbled away, sufficing the paper with an answer.
I need more information, please!! I will gladly answer afterwards!! Who is Winston? Who is O'Brien? I need the text this question is about. :)