France .
the pan-african
Portugal
They wanted it under Communist North Vietnamese control; a united Vietnam...what it is today. They won the war, remember?
Both nations were created in 1954/55. North defeated the South on 30 April '75; 1975 one nation/Vietnam.
because they wanted to gain control of everything and own Vietnam
Japan wanted to be like the European countries and control needed resources. They wanted to control the entire Pacific region.
They wanted it under Communist North Vietnamese control; a united Vietnam...what it is today. They won the war, remember?
Probably economic problem, disunity within Vietnam (Yes- some wanted Vietnam to be communist, they were called Vietcong and while the rest wanted a republic type of government which resulted into North & South Vietnam that was later in the end of 1970s, the failure of South Vietnam which is a democratic nation, North Vietnam had attempt and succeed in reunify Vietnam into communist.) and under French's harsh leadership.
the europeans wanted to be known like a famous person so they wanted to take control! yeahhh boyyy!
The European wanted to control natural rescources found there.
North Vietnam wanted to conquer the south. They did.