This article is from the Sumerian Mythology FAQ, by Christopher Siren cbsiren@cisunix.unh.edu with numerous contributions by others.
Seated along the Euphrates River, Sumer had a thriving agriculture
and trade industry. Herds of sheep and goats and farms of grains and
vegetables were held both by the temples and private citizens. Ships
plied up and down the river and throughout the Persian gulf, carrying
pottery and various processed goods and bringing back fruits and various
raw materials from across the region, including cedars from the Levant.
Sumer was one of the first literate civilizations leaving many
records of business transactions, and lessons from schools. They had
strong armies, which with their chariots and phalanxes held sway over
their less civilized neighbors (Kramer 1963, p. 74). Perhaps the most
lasting cultural remnants of the Sumerians though, can be found in their
religion.
 
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