통일민주청년동맹결성준비위원회는 김배영을 통해 사회당의 중심인물인 최백근과 관계를 맺으면서, 사회당과 연계하여 활동을 전개하는 경우가 많았다.
The Preparatory Committee for the Unification Democratic Youth League often formed a relationship with Choi Baek-geun, the main figure of the Socialist Party, through Kim Bae-young, and often carried out activities in connection with the Socialist Party.