Crossword Challenge

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Across
  1. 4. the study of the stars and planets
  2. 6. a territory that is part of a country or an empire
  3. 7. a positive result gained by hard work
  4. 8. the study of numbers
  5. 11. school attended by the upper class
  6. 12. a period of great happiness, prosperity and achievement
Down
  1. 1. a theory or set of values by which one lives; the search for wisdom and knowledge
  2. 2. a situation of wealth and success
  3. 3. engineers designed and built a system of____
  4. 5. the empire covering much of northern India that was ruled by the Guptas from around 320 C.E. to around 550 C.E.
  5. 9. a bond between families, states, or other groups to further their common interests
  6. 10. a line on which an object spins