Answer:
demographics
Explanation:
The statistics about the human population fall into the category of the demography. The demography is part of the geographic sciences, more specifically of the socio-economic geography spectrum. The focus of the demography is the human population and its characteristics. In order to be able to have a proper data base, the demography is using statistics. Some of the things that this field is studying is ethic groups, racial groups, religious groups, birth rates and death rates, level of education, age structure, migratory patterns and many more.
Smoking became very popular.
Changed diet kept people from starvation.
Corn fed livestock grew in places where other plants couldn't grow in
C.
Too much poverty for this to be true. They don't have more than a European women.
Emergence of Monotheistic religion
