Across
- 3. wasn't built in a day
- 5. co-founder and first grand master of the Knights Templar
- 6. first Roman empress
- 7. the three sisters in an ancient America civilizations
- 10. largest land empire in the world's history
- 12. Leader of the Song Dynasty before Mongols
- 14. Impaled a lot of people
- 15. the number of Great Lakes in the Mississippian trade routes
- 16. mastered by the hunter gatherers
Down
- 1. structure with two serpents at the end of a pyramid that follows the sun
- 2. lucky number in Chinese culture
- 4. famous Venetian explorer
- 7. number of stars in this constellation is a lucky number to the Chinese
- 8. first but not the last; way of life for 90% of human history
- 9. tools used during the hunter gatherer period
- 11. the number of limbs on the ancient Islamic spiritual path to liberation
- 13. civilization that traded purple dye