Ancient Mesopotamia

5. exchange goods without involving money
7. a group of people who make laws for a certain area
8. a complex society
9. stepped tower made from mud bricks. It is associated with religious complexes in ancient Mesopotamian cities
11. used to preserve information such as laws and prayers to the gods
12. a system of writing with wedge shaped symbols, invented by the Sumerians around 3000 BC
13. a mixture of rich soil and tiny rocks
14. a group of states or territories controlled by one ruler
15. to bring water to a dry place in order to grow crops

1. groups of people who occupy different ranks or levels in society
2. an extra amount of something, more than needed
3. a long narrative poem telling of a hero's deeds
4. often linked to government because many rulers claimed that their right to rule came from the gods
6. belief in many gods
10. to write
12. a city with its surrounding territory forms an independent state