The answer to #1 is B and the answer to #2 is A
The reason is because the land is mostly unlivable. When you look at the map there is not much bodies of water. Whenever an area is unpopulated the main reason is that it does not have suitable living circumstances including not having supplies like food, water or both.
Answer:
The answer you are looking for is scale bar.
A scale bar shows how a measured space on a map corresponds to actual distances.
Hope this helps!! <3

The opposing force created, the conflict within the story generally comes in four basic types: Conflict with the self, Conflict with others, Conflict with the environment and Conflict with the supernatural.