The Cities Between the Rivers

12345
Across
  1. 1. "The black-headed people" lived here
  2. 4. Sumerian metallurgists combined copper and tin, starting a historical era we call the ______ ___ [The answer is two words without a space]
Down
  1. 1. Civilization seems to have developed in Sumer due to the presence of _________, rather than rivers or rain
  2. 2. This city's name means "Fresh-water-god-place"
  3. 3. Cuneiform is so named because it uses this basic shape
  4. 5. This was the name of the NORTHERN section of Mesopotamia