Puzzle

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Across
  1. 3. supplying water to the land through a system of canals or ditches
  2. 5. is an ancient form of wedge-shaped writing that contained over 800 signs
  3. 6. a complex society with a high level of development in government and culture
  4. 7. huge pyramid-shaped temple of ancient Mesopotamia
  5. 8. the worship of one all-powerful god
Down
  1. 1. relating to a period in time before history was written down
  2. 2. a solemn agreement
  3. 4. an amount or quantity beyond what is needed for immediate use