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.

最早的化——驯化，对人类活方式产了迄为止最大的变化。这让更高密度的活和全新的社会结构——市场、城市、国家——变得可能。