Mankind's first money appears in the Mesopotamian civilization. Even though it was money, the workers had to put wheat in their bowls and used it as a salary. In Tell Brak, where wheat money was widespread, money caused a dispute.
持続可能な社会Prout Village。気候変動、貧困、戦争などあらゆる社会問題を解決する脱貨幣社会。
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