Answer:
The best answer would be D. The men are serious and they are also doomed to an early death
Explanation:
The word "grave" gives us the picture of serious, distressed men, which would be understandable under the circumstances.
B, handwritten letters, because the letters are probably the most credible, especially since they're a first-hand account of things that happened to your ancestors, and as WorldlyGlass45 mentioned in their answer to this question on another post, you'll most likely get the most info from the letters as well.
Answer:
a metaphor for the isolation of the setting
Explanation:
