Answer:
At first they help one another until they became enemies due to the colonies encroachment on their lands along with lands and cultural dispute
Explanation:
Answer is D. The topsoil and grasses were blown away because of severe drought
You got to look it up. i am sorry i wish i could but there a whole side on it.
I believe the answer would be the last option. A resource has value, and people are willing to pay for it most likely because the resource is scarce. When a resource is not enough or the supply is low as compared to its demand, then most likely that price or value of it would increase.