Also, the Joseon authorities adopted a rigorous isolationist plan, earning the nickname "the hermit kingdom", but eventually unsuccessful to protect by itself from imperialism and was forced to open its borders, starting an period top into Japanese imperial rule.
3 of the commanderies fell or retreated westward in a couple decades, nevertheless the Lelang Commandery remained for a center of cultural and economic Trade with successive Chinese dynasties 파라곤솔루션 for 4 hundreds of years. By 313, Goguryeo annexed all the Chinese commanderies.