There are many things that people need to live. To do so, they take various materials from the natural world and make what they need. Some things they can take from the world to wear or eat just as they are, but even so, people end up having to do all sorts of work, such as hunting, fishing, excavating mountains, and so on. From primitive times, people have always worked. Along the way, they learned how to cooperate and to divide the work between themselves into specialties, because they had no other choice. It is this kind of cooperation and division of work between people that scholars call
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