1. Steppe

2. Dry grass-covered plains that stretch across Europe and Asia.

3. Genghis Khan

4. “Universal Ruler”; Leader of the Mongols.

5. Pax Mongolica

6. “Mongol Peace”; period of peace and stability under the rule of the Mongol Empire.

7. Stirrups

8. Ring-shaped straps attached to a horse saddle where a rider places his or her foot to aid in support while riding.

9. Nomad

10. A member of a group that has no permanent home, wandering from place to place in search of food and water.

11. Domestication

12. The taming of animals for human use.

13. Clan

14. A group of people descended from a common ancestor.

15. Daoism

16. A philosophy based on the ideas of the Chinese thinker Laozi, who taught that people should be guided by a universal force called the Dao (“Go with the flow”).

17. Movable Type

18. Blocks of metal or wood, each bearing a single character, that can be arranged to make up a page for printing.

19. Magnetic Compass

20. A navigation instrument that uses a magnetized steel bar to point in the direction of the earth’s magnetic (North and South) poles.