The United Republic of Three Koreas is a nation in East Asia.
The Korean Empire in 1900 begun to invade China to gain more land. This soon established the Greater Korean Empire and soon Korea became one of the more powerful nations in East Asia. This led to Korea making Japan a puppet in 1910. Soon, the Korean Empire begin to attack China in 1931, and later conquered South-East Asia. Korean dominance continued up until 1944, when they lost land and were defeated by the allies. Korea then drafted up a new constitution in 1945 transforming it from an Empire into a Republic of Korea.
Korea has the 3th strongest military in the world as well.