Rivers acted as a powerful restraining force, particularly on Sumerian political development. Discuss and explain this statement by making reference to the relationship between the physical environment and politics.
Sumer, in southern Mesopotamia, was a desert region that included the Tigris and Euphrates Rivers. City-states formed bordered by canals. Disputes naturally arose over access to the life-giving water from the rivers and canals.
Check this site for more information.
(Broken Link Removed)