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Fertile Crescent
region of the Middle East in which civilizations first arose
Mesopotamia
wide, flat plain in between the Tigris and Euphrates rivers in present-day Iraq
Irrigate
to supply water to their crops
city-state
an independent state consisting of a city and its surrounding territory
barter
trading system in which people exchange goods directly without using money
Polythesim
the belief in one or more gods
Ziggurats
temples built by Sumerians to honor the gods and goddesses they worshipped
Cuneiform
A system of writing in which wedge-shaped symbols represented words or syllables. It originated in Mesopotamia and was used initially for Sumerian and Akkadian but later was adapted to represent other languages of western Asia.