miss seijos assignment

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Across
  1. 2. a number the indians made
  2. 4. making water safe
  3. 6. the spread of cultural religion
  4. 8. cultivated language
Down
  1. 1. a wall that the chinese built to keep invaders out
  2. 3. something that can treat or prevent a disease
  3. 5. something to store water
  4. 6. an ancient philosophy
  5. 7. trading route