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Across 3. Family group including several generations as well as other relatives. 5. Fine, yellowish-brown topsoil made up of particles of silt and clay, usually carried by the wind. 11. The spreading of traditions and ideas from one culture to another. 12. Concerned with ethical, or good, behavior. 14. A protective wall that controls or holds back water. 15. Existing apart from everything else. 16. A period of one thousand years.

Down 1. The area of government that handles national issues. 2. A change that removes corruption or errors. 4. An ancient Chinese doctrine that gave people the right to overthrow an immoral emperor. 6. An ancient trade route that connected central China to the Mediterranean region. 7. Territories that a ruler gives his lords to govern. 8. A device used to measure the strength of earthquakes. 9. A line of rulers from the same family who hold power across many generations. 10. A form of writing that uses pictures to communicate information. 13. A god or goddess.