time and space

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Across
  1. 2. the point from which something starts
  2. 5. something that has developed from something similar in the past
  3. 6. connected with the Middle Ages
  4. 8. to make a hole, etc. in the ground by digging
  5. 9. a group of countries or states that are controlled by one leader or government
  6. 10. a period of time, usually in history
Down
  1. 1. belonging to a very simple society with no industry, etc.
  2. 3. a person in your family who lived a long time ago
  3. 4. belonging to the same time
  4. 7. a very long time