•More dependence on small game ; less on big game
•Agriculture developed in marginal zones
similarities in Binefored-white and flannery theories
•Gradual increase of population is the main cause of intensification (switchover from foraging to agriculture)
•Problem – not everyone thinks that forager population inevitably increased.
How do we know about pristine states?
soil was fertile
River valleys were important because
Theory that agriculture developed due to desiccation (drying up) after melting of glaciers let to increased population density near oasis
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