Ive never read about this, but looking at a summary I would say B.
a national archives researcher solve the mystery of the missing rights Brothers 1903 airplane patent
Answer:
C) You have to know what Calvin is reading.
How the world of animals and people overlap
Answer:
The treasure represented who he was and gave his son hope. The items had been collected by Lemon Brown's wife. The treasure was a reminder of hard times.