Social scientists of the past spoke glibly of an "agricultural revolution," a time during which human populations suddenly soared, cities were founded, and many trappings of civilization made their appearance.... The food-production revolution turns out to be a slow evolution, a long period of experimentation rather than a sudden explosion.


Man's Rise to Civilization (1968)


Social scientists of the past spoke glibly of an agricultural revolution, a time during which human populations suddenly soared, cities were founded, ...

Social scientists of the past spoke glibly of an agricultural revolution, a time during which human populations suddenly soared, cities were founded, ...

Social scientists of the past spoke glibly of an agricultural revolution, a time during which human populations suddenly soared, cities were founded, ...

Social scientists of the past spoke glibly of an agricultural revolution, a time during which human populations suddenly soared, cities were founded, ...