Kammala jumla mai zuwa: Lê Duẩn ya zama memba na Kungiyar Matasan Juyin Juya Halin Vietnam a 1928. Ya kafa Jam'iyyar Kwaminis ta Indochina a 1930. Lê Duẩn an daure shi a shekara mai zuwa. An sake shi bayan shekara shida, a shekara ta 1937. Daga 1937 zuwa 1939 ya ci gaba a cikin tsarin jam'iyyar kuma a " Babban Taron Kasa na 2 ", ya shiga Kwamitin Tsakiya. A shekara ta gaba, aka sake jefa shi a kurkuku don ya zuga tawaye. Bayan shekaru biyar an sake shi, jim kadan bayan da
1945 Juyin Juya Halin Agusta, wanda Jam'iyyar Kwaminis ta Indochinese ta karɓi iko. Bayan da aka sake shi, ya zama amintaccen abokin tarayya na Hồ Chí Minh, babban jami'in jam'iyyar.