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.
Because it has more room and if you right it out like draw picture then you would see.
Answer:
He doesn't grow crops because he thinks their weird and they do not communicate with each other like humans do.
Explanation:
