The correct answer is that he is D. indicating what happens to tribes that don't unite against the whites.
We know this because immediately afterwards he is answering his question: "They have vanished before the avarice[greed] and oppression of the white men" - so he says that this might also happen to the others.
Answer:
D The once-silver car had scratches and dents all over the rusted exterior.
Explanation:
Hope this helps.
remember that you know everything :)
The overall tone will be pessimistic I hope this answer help