These developed because the cities in Sumer were separated by long stretches of desert land and communication between them was difficult.
What are city-states?
a pyramid-temple at the center of each Sumerian city
What is a ziggurat?
This is one of the Seven Ancient Wonders of the World located in Babylon.
What is the Hanging Gardens of Babylon?
A Sumerian invention, this became a vital transportation method.
What is the wheel?
the principle writing material in Sumer
What is a clay tablet?
The Hittites taught the Assyrians this which made their army stronger.
What is how to use stronger metals like iron to make weapons?
The basic principle of justice under Hammurabi's law.
"The strong should not injure the weak" and "an eye for an eye, a tooth for a tooth"
Reasons why the Sumerians settled and developed their civilization in Mesopotamia.
rivers provided transportation of people and goods, fertile soil, location (center of trade), weather (warm), fish, reeds for building, clay along the banks of the river, rivers provided water for irrigation