Across
- 2. The study of stars, planets, and celestial bodies
- 3. A pyramid-shaped temple built in ancient Mesopotamia
- 6. Payment made to a ruler or government as a sign of respect or submission
- 8. A territory within an empire or country
- 11. An independent city and its surrounding territory
- 14. An ancient Persian religion focused on the battle between good and evil
- 15. A set of letters used to write a language
- 16. Rich soil left behind by flooding rivers
- 18. A period marked by the use of bronze tools and weapons
- 19. Something handed down from the past, such as traditions or achievements
- 20. A tool used for counting and basic calculations in ancient times
Down
- 1. The spread of ideas and customs between cultures
- 4. A large territory ruled by a single authority or government
- 5. A group of people with similar social or economic status
- 7. A method of supplying water to crops using channels or pipes
- 9. The earliest known system of writing developed in Mesopotamia
- 10. A system for organizing days and tracking time
- 12. The belief in many gods
- 13. A severe shortage of food causing widespread hunger
- 17. Acceptance of different beliefs or practices