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, commencing an period top into Japanese imperial rule.
3 of the commanderies fell or retreated westward in just a handful of many years, even so the Lelang Commandery remained as a Heart of 토토 cultural and economic Trade with successive Chinese dynasties for four hundreds of years. By 313, Goguryeo annexed all the Chinese commanderies.