The answer is B
B. Farming tribes mainly settled in deserts in western Oklahoma.
Well, sadly, it is effective when it doesn't result in disaster.
Brinksmanship refers to the negotiation practice of letting a situation edge right up to disaster before finding a solution.
It is, however, wildly irresponsible, shortsighted, and often leads to people getting hurt and unnecessary stress.
The answer is D.
this is because of industrialization! this resulted in urbanization
It brought conflict between labor and management.