China the Korean trouble maker.

• 1910: Korea under Japanese rule, end of the Joseon dynastic monarchy.
• 1945: Division of Korea between North and South Korea; result of the Allied victory in World War II in 1945, ending the Empire of Japan's 35-year rule of Korea. The United States and the Soviet Union occupied the country, with the boundary between their zones of control along the 38th parallel.
• With the onset of the Cold War, negotiations between the United States and the Soviet Union failed to lead to an independent, unified Korea.
• 1950: Korean War began when North Korea invaded South Korea June 1950. After the first two months of war, South Korean forces were on the point of defeat, forced back to the Pusan Perimeter. In September 1950, an amphibious UN counter-offensive was launched at Inchon, and cut off many North Korean troops. Those who escaped envelopment and capture were rapidly forced back north all the way to the border with China at the Yalu River, or into the mountainous interior. At this point, in October 1950, Chinese forces crossed the Yalu and entered the war. Chinese intervention triggered a retreat of UN forces which continued until mid-1951. After these reversals of fortune, which saw Seoul change hands four times, the last two years of fighting became a war of attrition, with the front line close to the 38th parallel. The war in the air, however, was never a stalemate. North Korea was subject to a massive bombing campaign. Jet fighters confronted each other in air-to-air combat for the first time in history, and Soviet pilots covertly flew in defense of their communist allies.
• 1953: The fighting ended on 27 July 1953, when an armistice was signed. The two Koreas are technically still at war.

Pusan Perimeter in Green.

Had Russia remained in the North, the same thing that happened in Germany (Berlin wall), would have occurred, and Korea would be reunited today.

Instead, China the trouble maker it has been for thousands of years in this Area of Operation, is using North Korea as an ideological buffer zone.

China should have and should encourage the North and South to reunite.

Not too late.

Unless they prefer WW3.