The North won. The South surrendered in April 1975.
Wearing down the enemy, until he either surrendered, gave up, or was killed off (dead).
The South surrendered to the North unconditionally on 30 April 1975.
steven fred joey
They intervened in the war. They did not lose, instead, the public was against the conflict so they pulled out. They never surrendered, so they did not lose.
The North Vietnam Army (NVA) and the United States.(with help from Australia and minimal help from South Vietnam)
Able bodied males (from both sides).
They both wanted peace.
That's how men were acquired to fight the war from both sides.
Believe it or not, no other question about the Vietnam War can be answered so simply. The Viet War ended when NVA tanks crashed thru the South's Presidential Palace Gates on 30 April 1975; the South surrendered at time. This is the only question about the Vietnam War that can be easily answered.
Once Germany surrendered, it was the US against Japan.
The same as the American Civil War; that wasn't a declared war either.
The ground war, in the Vietnam War, WAS FOUGHT in SOUTH VIETNAM. Therefore, South Vietnam entered the war from the very beginning...which is when it started in either the late 1950's or 1961, depending on what historical reference you are using.