Korean reunification selected the 38th parallel as a dividing line. Japanese troops to the North of this line were to surrender to the Soviet Union and troops to the South of this line would surrender to the United States. This was not originally intended to result in a long-lasting partition, but Cold War politics resulted in the establishment of two separate governments in the two zones in 1948 and rising tensions prevented cooperation. The desire of many Koreans for a peaceful unification was dashed when the Korean War broke out in 1950. In June 1950, troops from North Korea invaded South Korea.
Canada in the Korean War June 1950 beginning a civil war. The invasion of South Korea came as a surprise to the United Nations. The day the war began, the United Nations immediately drafted UNSC Resolution 82, which called for: When the North Korean Army crossed into South Korea on 25 June 1950, they advanced for the capital Seoul, which fell in less than a week. North Korea's forces continued toward the port of Pusan, a strategic goal and the seat of the ROK government. The forces of the North conquered all of Korea except for this tiny enclave at the end of the peninsula.