1h

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Across
  1. 2. - Vast domain ruled by an emperor (6 letters, six)
  2. 4. - Traveling to discover new lands (11 letters, eleven)
  3. 5. - Establishment of colonies by a nation (13 letters, thirteen)
  4. 7. - Advanced human society (12 letters, twelve)
  5. 10. - Line of hereditary rulers (7 letters, seven)
  6. 11. - Form of government with a king or queen (8 letters, eight)
  7. 12. - Absolute ruler with total power (8 letters, eight)
  8. 13. - Period of cultural rebirth in Europe (11 letters, eleven)
  9. 15. - Dramatic change in political or social structure (10 letters, ten)
Down
  1. 1. - Religious movement in the 16th century (11 letters, eleven)
  2. 3. - One who defeats and subjugates others (9 letters, nine)
  3. 6. - Wandering, without a permanent home (7 letters, seven)
  4. 8. - Development of industries in a country (15 letters, fifteen)
  5. 9. - Ancient Egyptian structure (7 letters, seven)
  6. 14. - Study of human history through artifacts (10 letters, ten)