Across
- 3. - Large political entity encompassing multiple territories
- 5. - Freedom from outside control or rule
- 7. - Armed conflict between nations or groups
- 8. - Belonging to a time long past
- 11. - Armed conflict between nations or groups
- 12. - Act of setting someone free from slavery or oppression
- 13. - Advanced society with complex social structures
- 14. - System of government led by a king or queen
- 15. - Succession of rulers from the same family
Down
- 1. - Substance with a distinct composition and properties
- 2. - Overthrow of a government or social system
- 3. - Traveling to new lands to discover and map unknown territories
- 4. - Global conflict involving many nations
- 6. - State of political tension between major powers after World War II
- 8. - Study of celestial objects and the universe
- 9. - Study of heredity and genetic variation
- 10. - Succession of rulers from the same family
- 12. - Study of the interactions between organisms and their environment