Answer:
they try to tell you about the history of a particular place
Yes, that's a true statement.
Answer:
If the soil/ground is good for crops they'll adpat to start growing crops,
if they have a river near by humans' or "settlers" Can use the river/water to not die dehydration and possibly catch fish which is another food soruce, and the animals in their area, say deer's and birds of some sorts, they can hunt and survive by their meats
Explanation:
they claimed that without slaves the economy would collapse I think, I'm not quite sure if I'm remembering correctly though