fine particles of rock
silt
a wall of earth built to prevent a river from flooding
a levee
An ability or skill
capability
the study of money, jobs, trade and business
economics
a time before writing
prehistory
archaelogists
a type of source where someone was there to witness it
primary source
an area in Southern Mesopotamia where cities first appeared
Sumer
A person who studies the past
historian
an important place known for its soil
fertile crescent
an early ancestor of humans
hominins
a tool used to make other tools
hammerstone
the means of supplying land with water
irrigation
An object made by humans
artifact
to move from one place to another
migrate
one of the two largest rivers in Southwest Asia that flow from the mountains in Turkey to the Persian Gulf
Tigris or Euphrates River
the study of land and where people live
geography
an early city that was like a small, independent country with its own laws and government
city-states
A belief system or tradition that people believe in
religion
to supply land with water
irrigation
people in civilizations making decisions, agreements and run a government
in ancient times, the geographic area located between the Tigris and Euphrates rivers
Mesopotamia
a tool used to dig into the ground to plant seeds
plow
prehistoric tools were mostly made out of
stone and animal bones
what were the two capabilities of hominins
walking on two feet and making tools