South Korean Democratic Party members Moon Jae-in and Lee Jae-myung cite Kim Gu as the politician they most respect. Kim Gu was a person who served as the president of the provisional government of the Republic of Korea. He rejected the postwar state of US-Soviet trust between North and South Korea and proposed a plan to unify the peninsula among the Korean people, but this idea was rejected by Kim Il-sung of North Korea. It was an unrealizable idea that would be denied by the United States as well. After a political dispute, Syngman Rhee, who was recommended by the United States, became president, and Kim Gu was subsequently assassinated.
Was there no North-South division?
Lee Jae-myung recently told a US senator that the North and South were divided because of the US. I guess he is trying to say that if he had done what Kim Gu said at that time, there would have been no Korean War or division between North and South. However, there is absolutely no basis for this "if". At that time, there were no people in Japan or abroad who supported this idea.
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Kinkyu who was not treated as an opponent
Kim Gu's ideas did not produce any results in the environment of the time. Based on this premise, there are no objective facts in history; all that exists is the existence of South Korea and North Korea since the founding of the nation more than 70 years ago. North Korea established the current state of North Korea without paying any attention to Kim Gu's claims.
Claims that remain unanswered even now
In other words, it is logically impossible to trace back to Kim Gu's assertion what the basis for the unification of North and South is advocated by the No. 1 and No. 2 members of the Democratic Party of Japan. They are the most pro-North Korean and pro-China faction in the South Korean National Assembly. Even now, that claim is not appreciated at all by North Korea, the United States, or even China.