As only Korean Autonomous Prefecture(延邊朝鮮族自治縣), Changbai Prefecture(長白縣) have rugged mountains and Ap-lok river(鴨綠江). The present, Changbai Prefecture is situated on the north of Wu-song Prefecture(撫松縣), on the south of Hyesanjin(惠山鎭) of North Korea. Since national ruin of 1910, The Korean emigrants increased suddenly in Changbai Prefecture.
Korean Independence Armament corps(大韓獨立軍備團) was Organized in Changbai Prefecture after 3ㆍ1 movement, 1919. From early establishment, Korean Independence Armament corps be absorbed in war funds draft throughout strong armament fighting. especialy, The responsible person grandmeeting of 12 Sep, 1919 was concretized war funds draft problem. Since March, 1921 to Sep, 1922, large and small battle came about 10times.
Korean Independence Armament corps was unified new party with changes of the inside and outside circumstance. 20members of Korean Independence Armament corps, Gwangbok corps(光復團), Heungup corps(興業團) assembled in Shinchang Village(新昌洞), 16daogou(16道溝), Changbai Prefecture at 1 July, 1921. As the leader of Heungup corps Chang-il, Kim was elected for temporary chairman. Thus, Korean Independence Armament corps was dissolved and developed to Gwangjung corps(光正團) throughout struggle policy of high level.
The formality name of Gwangjung corps was Korean Independence Gwangjung corps(大韓獨立光正團). The headquarters was located in 17daogou(17道溝), Changbai Prefecture. The early important officers of Gwangjung corps were Duk-bo, Yoon(尹德甫), Woon-sub, Han(韓雲燮), Woo-gun, Kang(姜宇鍵), Tae-gul, Lee(李泰杰), Byung-ryool, Lee(李秉律). They were most of important officers in Korean Independence Armament corps. Gwangjung corps succeed to structure of Korean Independence Armament corps. Because the activity of Gwangjung corps was similar to Korean Independence Armament corps's.
First, Gwangjung corps planned militarized infiltration to the interior of a country. As well, war funds draft was spread out to variety. Gwangjung corps propelled not only war funds draft but also school establishment in Wu-sung Prefecture. Baeksan military school(白山武官學校) was mportant.
Already, establishment of Gwangjung corps was preengaged in the first half of 1910s. Also, the Jiandao(間島) & the Maritime Province(沿海州) invasion of Japanese military in 1920 was the crisis or opportunity about Korean Independence patriot.
The disorganization and sublimation of national liberation movements parties was 'making masterpiece' of Korean Independence patriot what unification of parties's the principle and practice. As a result, national liberation movements was risen up.