It's too dry to grow crops. People in these regions have become nomadic herders and they must move their herds to find water and grass. The people also might have to adjust to find ways to get water such as developing an irrigation system.
Answer:
McKee has a fetish to indians, so the answer is
C. McKee is critical of the treatment of American Indians.
"Mass society is any society of the modern era that possesses a mass culture and large-scale, impersonal, social institutions. A mass society is a society in which prosperity and bureaucracy have weakened traditional social ties" This is the definition of mass society theory. I would thus hypothesize that mass society strengthens the economy greatly but likely abolishes leisure activities for the sake of economic success.
I hope this helps!