Answer:
Not sure which war we are asking also, never Germany
Explanation:
<em>The Triple Entente</em> (Great Britian, USSR, France) won WWI vs. The Triple Alliance (Germany, Austria-Hungary and Italy)
<em>The Allies</em> (US, Great Britain, China, USSR) won WWII vs. The Axis Powers (Nazi Germany, Japan, Italy)
<em>South Korea </em>can be said to have won The Korean War since they were liberated from Communist North Korea, but there was no treaty signed by either side.
The Vietnam War was a civil dispute between the Northern Vietnam governement and the Southern Viet-Cong, the Southern government surrenders in 1975, which lead to the reunification of the country that same year