the way a civilization is organized
the use of tools and other inventions for practical purposes
a tool for tilling (turning) the soil to prepare for planting
a two-wheeled vehicle pulled by a horse
a person who writes
an ancient Mesopotamian temple tower
an upside-down U or V shaped structure that supports weight above it, as in a doorway
writing that uses wedge-shaped characters
a sharp pointed tool for writing
a symbol that stands for an object
A group of people or culture that has the following characteristics: life in cities, a stable food supply, a hierarchical social structure, a system of government, a reglious system, a higly developed culture including art, music, literature, architecture, advances in technology, a written language
an artificial waterway that rings a city or building to keep out intruders
an alloy (mixture) of copper and tin that can be poured into molds to be formed into metal objects like bowls or statues
a tool used to till (turn) the soil to make it ready for planting
a system of providing water to crops
a stringed musical instrument similar to a harp
a leader of the religious system
a god or supernatural being that people respect and/or worship
a semi-precious blue stone used for decoration
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