Across
- 3. the longest river in the world
- 5. The earliest forms of writing were
- 7. The people had to successfully learn how to control and regulate the flow of
- 8. Another word for chief
- 10. made plows more efficient, which allowed farmers to cultivate the land
Down
- 1. Some time around 3300 B.C. the Mesopotamian´s invented
- 2. The first wheel was used on
- 4. were made of solid wooden sections
- 6. Once they contained the communities sacred objects, they became the focus for
- 9. a sign that means strength as well as the animal itself
