The OSS was in contact with Ho Chi Minh and worked closely with him against the Japanese.
America helped out SOUTH Vietnam. NORTH Vietnam was attacking it.
Japan,Italy,Germany
America fought against the three Axis powers: Germany, Italy and Japan.
The US supported Ho Chi Minh fight the Japanese in Vietnam as part of their war with Japan .
Vietnam was a French colony up until World War 2, when Japan invaded it. The Vietnamese were able to fight off the Japanese. After the war, France attempted to retake Vietnam, which created North and South Vietnam, leading to the Vietnam War.
Japan & Italy
No, the Japanese and the United States have only fought during the Second World War.
Russia, USA, England and France were the "allies" ad japan, Germany and Italy were the "axis"
US Civil War & Vietnam War.
Japan
WW2 in the Pacific in battles for Pacific islands.
Japan