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ãããææã«ä»ãç©ã¨ããããã§ã¯ãªãããã¨ã示åããã¦ãã¾ãã Assessing grand narratives of economic inequality across time | PNAS https://www.pnas.org/doi/10.1073/pnas.2400698121 Did every civilization have inequality? New 10,000-year study reveals a surprising answer. | Live Science https:/
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