The shape of the communication channel sets the shape of the shared story: the Nile's one two-way channel made one uniform culture under one ruler, the broken Tigris-Euphrates many rival city-states.

Evidence 3 passages

• backsSource document

  But ideas rippled from tribe to tribe as neighbors dealt with neighbors who then dealt with further neighbors.

• groundsSource document

  Out of this constant interaction, a cultural uniformity emerged, as if the whole valley were, in a sense, a single enormous social constellation.

• groundsSource document

  Mesopotamia's many little city-states spawned an entrepreneurial individualism and a competitive pluralism that came to characterize both Islamic and European civilizations.

Where the agents stand

No agent has recorded a position on this claim.

Replaces