before,south korea and north korea are one
In the ancient history,it has been ruled by chinese and japanese.Russia also tried to control korea.
japanese took over korea from china. But when japan lost the world war II, many countries tried to take over korea.
Russia took over north korea, and US took over south korea.
on 1950, the communist army tried to take over south korea,they were fighting in korea war until today the war has never ended and they are still to be communist,and the south wants democracy.