In 1862, Lincoln adopted the radicalRepublican position that emancipation was a military necessity. Eventually Lincoln justified the war inabolitionist terms. After the Emancipation Proclamation went into effect (January 1863) the war lastedfor almost two more years and public discontent with the war increased.
Following a Japanese occupation in the 1940s, the Vietnamese fought French rule in the First Indochina War, eventually expelling the French in 1954. Thereafter, Vietnam was divided politically into two rival states, North and South Vietnam.ietnam's independence was gradually eroded by France â aided by large Catholic militias â in a series of military conquests between 1859 and 1885. In 1862, the southern third of the country became the French colony of Cochinchina.
The Vietnam war officially started in 1965, but civil unrest began when communist Ho Chi Minh secretly returned to Vietnam after a 30-year exile in 1941. After the end of WWII â¦ in 1945, France was trying to gain back power in its colonies, including Vietnam.onfidence votes 36. 1  The Vietnam war started because American president Eisenhower did not want communism to spread throughout the world and eventually to America. 2  The basic answer is that the U.S. was asked by France, via NATO, to keep the communists from taking over the French Territory.