Across
- 4. Payment made by one state to another
- 5. Economic system centered on the manor
- 8. Complex society with government, culture, and social classes
- 9. System of government officials
- 11. Belief in many gods
- 13. System where a ruler has complete power
- 14. System of ranked social classes
- 17. Region between the Tigris and Euphrates rivers
- 18. Revolution marking shift from hunting to farming
- 20. Belief in one god
- 22. Political system based on land and loyalty
- 24. Capital of the Byzantine Empire
- 25. Sun-centered model of the universe
- 27. Belief system emphasizing order and relationships
- 29. Elite soldiers of the Ottoman Empire
- 30. Movement to reform the Catholic Church
- 31. Empire centered in modern-day Turkey
Down
- 1. Period of stability under Mongol rule
- 2. Groups traveling together for safety in trade
- 3. Machine that made books more accessible
- 6. Development of farming that led to early civilizations
- 7. Nomadic group that created a vast empire across Eurasia
- 10. Rebirth of art and learning in Europe
- 12. Religious wars for control of the Holy Land
- 15. System used to supply water to crops
- 16. Trade routes connecting Asia, Europe, and Africa
- 19. Movement emphasizing reason and individual rights
- 21. Process of experimentation and observation
- 23. Chinese dynasty known for stability and trade
- 26. Focus on human potential and achievements
- 28. Growth of cities