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===Movement=== | ===Movement=== | ||
* geography shapes human interactions | * geography shapes human interactions | ||
** when people mix, exchange, interact, we call it "'''cultural diffusion"''' | ** when people mix, exchange, interact, we call it "'''[[cultural diffusion]]"''' | ||
** = the spread of ideas, languages, religions, values, | ** = the spread of ideas, languages, religions, values, cultural practices, technologies, disease, etc. through '''trade, migration and warfare''' | ||
** see full section on Cultural Diffusion below | ** see full section on Cultural Diffusion below | ||
* '''geographic barriers to movement:''' | * '''geographic barriers to movement:''' |