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158 한국독립운동사연구 제38집 with the objective condition for heroic struggle, it was possible to form anti-Japanese organizations like Ilhapsa, Yeonmoodan, and Goosedan, and have close relations with similar organizations in other areas. It was necessary to form solidarity as well as cooperate with the people concerned because heroic struggle was based on special secrecy and sacrifice of the people concerned. Therefore they jumped into struggle for independence with their moral obligation, that is, selfsacrifice for national independence under relationship through blood relationship, school ties and regionalism which had been established since their childhood. Key words: Euiyeoldan (an armed organization for national independence), Kim, Won-bong, Yoon, Se-joo, Heroic struggle, Dongyang Colonization Company (Dongyangcheoksik Stock company), Milyang, Locality