Define civilization.
A society that has developed an advanced culture.
Civilization in _______ began with the Sumerians, who started building cities in southern Mesopotamia around 3500 BCE.
Mesopotamia
Define empire.
A group of separate nations that are controlled by one powerful leader.
The _________ of Mesopotamia are reduced to mounds of brick rising from the arid soil.
cities.
What is a city-state?
An independently ruled state and its surrounding areas.
The Sumerians invented an early form of writing called ___________.
cuneiform.
Define plateau.
. A high area of wide, flat land.
Mesopotamia came under the rule of the _________.
Persians.
The soils and sand left behind by a flood is
define as an alluvial plain.
Ur was surrounded by branches, or ______________.