only when people know how to do the history of agriculture, the new deep social transformation took place. new stone time people not only know in agriculture to ensure food source feed themselves but also began to consciously assigned labour. for the first time in the history of human development and social class Division, appears, qura of assigning labor,. However, just when people entered a period map of new social structures that kim is really complicated and growing up ...
đang được dịch, vui lòng đợi..
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