He was an active Vietnamese Leader who served as a Prime Minster for 10 years and a President of the Democratic Republic of Vietnam under North Vietnam. He was the founder of the communist-ruled Democratic Republic of Vietnam. Due to health reasons, he had to step down from his position in 1955, but he did not stop until the end of his life, fighting for the unity of Vietnam Communism. He was sent to prison in 1940 and had been imprisoned for 18 months because of his strong opposition to opposing French colonialists. He thought that he could get support from the Chinese government when he visited the country in 1940, but he was sentenced for a 19-month imprisonment instead.