After the end of WW2 in 1945 Ho declares independence and seeks recognition from the US, UK, Chinese and Soviets. The French oppose independence and war breaks out
According to the Geneva Accords in 1954 a national election should decide the fate of Vietnam. Ho is expected to win comfortably, but the South refuses to cooperate. Ho then triggers a second phase of warfare, this time against the South (commonly referred to as the Vietnam War)
He was very determined to end French overlordship and is remembered as a communist with nationalistic influences that formed a country out of a colonial territory that remains communist to this date.
France was struggling politically right after WW2 because of the German occupation
Japan had occupied Vietnam during the war as well
This meant that the Vietnamese didn’t really have any connection to France, and therefore they desired an independent state. But France still wanted Vietnam and opposed the declaration of independence and that escalated into a 9 year long war leading to an independent Vietnam