| Quote #4
But it was then that the unexpected happened, the thing which projected their struggle for supremacy far into the future, past many a weary mile of trail and toil. (3.5)
Buck’s adventure extends back in history, but also forward in time, to events that are destined to occur.
| Quote #5
Lissen: some dam fine day heem get mad lak hell an' den heem chew dat Spitz all up an' spit heem out on de snow. Sure. I know." (3.21)
The inevitability of a fight with Spitz is apparent to even the humans.
| Quote #6
It was inevitable that the clash for leadership should come. Buck wanted it. He wanted it because it was his nature (3.23)
Buck’s clash with Spitz has to happen because of the nature of each dog.