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Combined display of all available logs of P2P Foundation. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).
- 04:15, 19 January 2023 Mbauwens talk contribs created page Life Cycle Model of Empire (Created page with " =Description= Peng Lu and Dianhan Chen: "The life cycle pattern is pervasive for both natural and social sciences, from events to empires. The man-land relationship govern...")