High demand for it thus it produced high profit
The chariot could not go over the dead bodies and had to go over leveled land.
I think that the best answer is "nation" but sometimes the word "nation"also refers to people without recognised borders, such as the Kurdish people or Jews before the establishment of modern Israel.
I go with D, it looks like the clearing in the story symbolizes to Jody a place to hunt wolves and bears, I can infer that from the description of the story.