Across
- 2. - Massive structure built in ancient Mesopotamia (8 letters, eight)
- 8. - Inventor of the printing press (9 letters, nine)
- 11. - British Prime Minister during WWII (9 letters, nine)
- 13. - Member of the Asian people who under Genghis Khan established a vast empire (6 letters, six)
- 14. - Member of a community or tribe not belonging to one of the great civilizations (9 letters, nine)
- 15. - Person who vigorously supports their country and is prepared to defend it (7 letters, seven)
Down
- 1. - Participant in one of the Crusades (8 letters, eight)
- 3. - Scandinavian explorer, warrior, merchant, and pirate (6 letters, six)
- 4. - Member of the Japanese warrior class (7 letters, seven)
- 5. - System of government by the whole population or all the eligible members of a state (9 letters, nine)
- 6. - The estate or domain of a feudal lord (7 letters, seven)
- 7. - President of the US during the Civil War (7 letters, seven)
- 9. - Fighter in ancient Roman games (9 letters, nine)
- 10. - An agreement under international law entered into by actors in international law (6 letters, six)
- 12. - Citizen of the ancient Greek city-state known for its military discipline (7 letters, seven)