Answer:
Historical particular ism
Explanation:
Frenz Boas and his students developed the concept of historical particular-ism. It has been stated that society has its development and must be understood based on its specific cultural and environmental context specifically its historical perspective. He further explained that culture is the set of ideas and symbols that held by a common group who sees themselves as a social group. Theses sociologist valued fieldwork and history as a critical aspect of cultural analysis. But anthropologists have different viewpoints on the importance of individuals in society.
For example, Franz boas see that each individual as the basic component of the society. On the other hand, another anthropologist did not see the individuals as a fundamental part of society.
More generally speaking: it allows people to do other things than pursue food. This is very important because in the first years of humanity people spent almost all their time looking for food.
A surplus of food means people can get organised in bigger hierarchical groups, and that some people can devote themselves to other tasks, such as ruling, art, improving technology. This is what contributes to the development of civilizations.
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People cannot feel comfortable in their own skin, because they want to be someone else. That society or people they know would not approve of.