The earliest biological transformation—domestication—produced what was hitherto the biggest change in how humans lived their lives. This allowed new densities of settlement and new forms of social organisation: the market, the city, the state.

早生物转化——驯化，对人类生活方式产生了迄为止大变化。这让更高密度群居生活和社会结构——市场、城市、国家——变得可能。