Whenever we add value to something, we also expect

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• some profit in return. -renqiulan- ♂ (0 bytes) () 10/11/2023 postreply 17:13:37

• Shells could be money, if you will. Money is currency. -renqiulan- ♂ (0 bytes) () 10/11/2023 postreply 17:15:38

• Currency is for exchange, which is for trade. No trade, -renqiulan- ♂ (0 bytes) () 10/11/2023 postreply 17:17:43

• no modern civilization. History is progress toward -renqiulan- ♂ (0 bytes) () 10/11/2023 postreply 17:18:48

• modern civilization, hopefully. -renqiulan- ♂ (0 bytes) () 10/11/2023 postreply 17:19:18