I can give you my take on it:
In command economies the quantity and more importantly the prize of the products is decided by the government and not by the people in production. As a result, people in the production can't have the motivation of producing more, as they won't benefit from it. So command economy encourages low motivation among the workers (i believe this was the case in the Eastern Block)
Leadership is the correct answer for this :)
They are different things !) lol
One critical distinction now, when contrasted with ethnographic hands on work led by anthropologists in the mid twentieth century, is that ethnographers now are far more averse to consider tribal societies as confined from whatever remains of the world. Ethnography is the efficient investigation of people groups and societies. It is intended to investigate social marvels where the scientist watches society from the perspective of the subject of the examination.
Answer:
The correct answer for this question is B. closed stratification system.
Explanation:
This concept refers to the inability to move between the layers of a social system.