Hey You!
Premarital Cohabitation might best be characterized as trial marriage.
I think your answer is D.) Labor Unions although if this is incorrect please let me know so I can research more on the subject.
What is this language this is English so please go to your language
The anthropologist described in the question is called medical anthropologist.
A medical anthropologist is <u>someone who studies human health and disease as well as the healthcare systems and the biocultural adaption stemming from these conditions.</u> They are concerned with community health programs in different ethnic groups, which also involve analyzing how different ethnic groups respond to disease prevention and management.