Ancient Korea

In 935 in ancient Korea the Korya Dynasty came around. They were more organized with crime. The Korya were the first ones to come up with Civil service as a punishment. They were big into art and created Celadon pottery as well as wood block printing. The rulers were mostly military related. Koryo was also referred to as the Goryeo.

http://epicworldhistory.blogspot.com/2013/07/koryo-dynasty.html

Territory of the Koryo.
"Mongolian Invasions"