The Korean conflict is an ongoing conflict based on the division of Korea between North Korea (Democratic People's Republic of Korea) and South Korea (Republic of Korea). During the Cold War, North Korea was backed by the Soviet Union, China, and other communist allies, while South Korea was backed by the United States, United Kingdom, and other Western allies. The division of Korea by the United States and the Soviet Union occurred in 1945 after the defeat of Japan ended Japanese rule of Korea, and both superpowers created separate governments in 1948. Tensions erupted into the Korean War, which lasted from 1950 to 1953. When the war ended, both countries were devastated, but the division remained. North and South Korea continued a military standoff, with periodic clashes. The conflict survived the end of the Cold War and is still ongoing. It is now considered one of the 10 frozen conflicts of the world and is considered one of the oldest, alongside the cross-strait conflict. The U.S. maintains a military presence in the South to assist South Korea in accordance with the ROK–U.S. Mutual Defense Treaty. In 1997, U.S. President Bill Clinton described the division of Korea as the "Cold War's last divide". In 2002, U.S. President George W. Bush described North Korea as a member of an "axis of evil". Facing increasing isolation, North Korea developed missile and nuclear capabilities. A period of heightened tension began in 2017, but the following year North Korea, South Korea and the U.S. held a series of summits, which promised peace and nuclear disarmament. This led to the Panmunjom Declaration on 27 April 2018, when the North and the South agreed to work together to denuclearize the peninsula, improve inter-Korean relations, end the conflict officially, and move towards the peaceful reunification. In subsequent years, diplomatic efforts faltered and military confrontation returned to the fore. The Korean border remains the most militarized private area in the world with the presence of the Korean People's Army in north; the Forces of the Republic of Korea and the United States Forces Korea (highlighted notably through the Combined Forces) in south and the presence of the forces of United Nations in the Korean Demilitarized Zone (JSA and Camp Bonifas).
Background
Korea was annexed by the Empire of Japan on 22 August 1910, and ruled by it until 2 September 1945. During the Japanese occupation of Korea, nationalist and radical groups emerged, mostly in exile, to struggle for independence. Divergent in their outlooks and approaches, these groups failed to unite into a single national movement. Based in China, the Korean Provisional Government failed to obtain widespread recognition. The many leaders advocating for Korean independence included the conservative and U.S.-educated Syngman Rhee, who lobbied the U.S. government, and the Communist Kim Il Sung, who fought a guerrilla war against the Japanese from neighboring Manchuria. Following the end of the occupation, many high-ranking Koreans were accused of collaborating with Japanese imperialism. An intense and bloody struggle between various figures and political groups aspiring to lead Korea ensued.
Division of Korea (1945–1949)
On 9 August 1945, as agreed by the Allies at the Potsdam Conference, the Soviet Union declared war on Japan and advanced into Korea. The U.S. government requested that the Soviet advance stop at the 38th parallel. The U.S. forces were to occupy the area south of the 38th parallel, including the capital, Seoul. This division of Korea into two zones of occupation was incorporated into General Order No. 1, which was given to Japanese forces after the surrender of Japan on 15 August 1945. On 24 August 1945, the Red Army entered Pyongyang and established a military government over Korea north of the parallel. American forces landed in the south on 8 September 1945, and established the U.S. Army Military Government in Korea.
The Allies had originally envisaged a joint trusteeship which would steer Korea towards independence, but most Korean nationalists wanted independence immediately. Meanwhile, the wartime co-operation between the Soviet Union and the U.S. deteriorated as the Cold War took hold. Both occupying powers began promoting into positions of authority Koreans aligned with their side of politics and marginalizing their opponents. Many of these emerging political leaders were returning exiles with little popular support. In North Korea, the Soviet Union supported Korean communists. Kim Il Sung, who from 1941 had served in the Soviet Army, became the major political figure. Society was centralized and collectivized, following the Soviet model. Politics in the South were more tumultuous, but the strongly anti-communist Syngman Rhee, who had been educated in the U.S., was positioned as the most prominent politician. In South Korea, a general election was held on 10 May 1948. The Republic of Korea (or ROK) was established with Syngman Rhee as president, and formally replaced the U.S. military occupation on 15 August. In North Korea, the Democratic People's Republic of Korea (or DPRK) was declared on 8 September, with Kim Il Sung, as prime minister. Soviet occupation forces left the DPRK on 10 December 1948. U.S. forces left the ROK the following year, though the U.S. Korean Military Advisory Group remained to train the Republic of Korea Army. The new regimes even adopted different names for Korea: the North choosing Choson, and the South Hanguk. Both opposing governments considered themselves to be the government of the whole of Korean Peninsula (as they do to this day), and both saw the division as temporary. Kim Il Sung lobbied Stalin and Mao for support in a war of reunification, while Syngman Rhee repeatedly expressed his desire to conquer the North. In 1948, North Korea, which had almost all the generators, turned off the electricity supply to the South. In the lead-up to the outbreak of civil war, there were frequent clashes along the 38th parallel, especially at Kaesong and Ongjin, initiated by both sides. Throughout this period there were uprisings in the South, such as the Jeju uprising and the Yeosu–Suncheon rebellion, that were brutally suppressed. In all, over one hundred thousand people died in fighting across Korea before the Korean War began.
Korean War (1950–1953)
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