Furthermore, the Joseon federal government adopted a demanding isolationist policy, earning the nickname "the hermit kingdom", but in the long run unsuccessful to guard by itself versus imperialism and was forced to open up its borders, commencing an era major into Japanese imperial rule.
South Korea has two volcanic islandsJeju, from the peninsulas southern tip, and Ulleung, about 85 miles (a hundred 슬롯 and forty km) east on the mainland in the East Seaand a little-scale lava plateau in Gangwon province.