Nomads
People who move from place to place
Migration
A movement from one country or region to another
Religion
The belief in and worship of a superhuman controlling power, especially a personal God or gods.
Primary Source
a document or physical object which was written or created during the time that is being studied
Secondary Source
a document or written work created after an event.
Agriculture
the science or practice of farming, including cultivation of the soil for the growing of crops and the rearing of animals to provide food, wool, and other products.
Irrigation
The process of supplying water to areas of land to make them suitable for growing crops
Surplus
a situation in which quantity supplied is greater than quantity demanded; extra
Specialization
the development of skills in a specific kind of work
Social Class
a division of a society based on social and economic status.
Government
the governing body of a nation, state, or community.
Fertile
able to produce good crops;
Floodplain
The area subject to flooding during a given number of years according to historical trends.
Arid
extremely dry
Drought
A long period of dry weather
Civilization
A society with cities, a central government, job specialization, and social classes
Polytheism
Belief in many gods
Monotheism
Belief in one God
Cuneiform
A form of writing developed by the Sumerians using a wedge shaped stylus and clay tablets. First system of writing.
Empire
A group of states or territories controlled by one ruler
Exile
to force someone to live in another country; banish
Provinces
Administrative divisions of a country
Royal Road
Road that helped unify the Persian Empire
Emperor
the male ruler of an empire
Policy
A proposed or adopted course or principle of action