What two rivers flowed through Mesopotamia?
The Tigris and Euphrates rivers
Where did the early farmers live before moving onto the plains of Sumer?
The Zagros foothills
What is a system that supplies farmland with water called?
Irrigation
What fine soil carried by river water clogged Sumerian canals?
Silt
What two Sumerian city-states are labeled on this map?

Kish and Ur
Mesopotamia was located mainly in what present-day country?
Iraq
What made the Zagros foothills a good place to farm?
Plentiful rain and mild weather
What raised wall of earth helped prevent rivers from flooding?
A levee
Why did Sumerian villages need to cooperate?
To maintain their connected irrigation systems
Which labeled city-state is farther south and closer to the Persian Gulf?

Ur
What does the name Mesopotamia mean?
Land between the rivers
What change caused food shortages in the foothills?
What change caused food shortages in the foothills?
What human-made waterway carried river water to fields?
An irrigtion canal
What happened as villages cooperated and became more dependent on one another?
They grew into towns and cities.
Into what body of water do the Tigris and Euphrates rivers flow?

The Persian Gulf
What mountain range was located northeast of Sumer?
The Zagros Mountains
How did people respond when there was not enough farmland in the foothills?
They moved south to the river plains.
What structure or place allowed Sumerians to collect water for later use?
A reservoir
What two features did Sumerians build to defend their cities?
Walls and moats
Traveling south from the Caspian Sea toward the Persian Gulf, what mountain range would you cross?

The Zagros Mountains
In what general direction did the Tigris and lower Euphrates rivers flow toward the Persian Gulf?
Southeast
What was the southern region where these people settled called?
Sumer
What two opposite water problems made farming difficult in Sumer?
Flooding and drought
What was a Sumerian city and its surrounding farmland that had its own ruler called?
A city-state
Use the map scale to estimate the straight-line distance between Kish and Ur.

Answer: About 150 miles
Accept: Approximately 100–200 miles