Chain Crosswords Medium Chain History Hard — Set 21

Medium 13×13 Set 21
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8
Across
  1. 4. To rule and make decisions for a country or group
  2. 6. A line showing events in the order they happened
  3. 8. An advanced society with cities, writing, and government
Down
  1. 1. A high-ranking military officer
  2. 2. The set of basic laws that govern a country
  3. 3. A period of ten years
  4. 5. A country that supports and helps another
  5. 7. A time when there is no war or conflict