Furthermore, the Joseon federal government adopted a demanding isolationist policy, earning the nickname "the hermit kingdom", but in the long run failed to guard alone against imperialism and was pressured to open up its borders, commencing an era foremost into Japanese imperial rule.
The kingdom of Goryeo wrote the law in guides, and had a big govt. Buddhism was crucial in the kingdom of Goryeo. Bronze-form printing technological innovation was invented 파라곤 in Goryeo Dynasty. This is known as the earth's oldest bronze-sort printing technology.