At least six other nations.
The nation (country) of Vietnam didn't exist during the Vietnam War. Nor was any nation called "Vietnam" fighting the US. There was a country called North Vietnam that defeated the Republic of South Vietnam in 1975. The US was allied to the RVN (Republic of South Vietnam).
Red China/USSR supplied North Vietnam with material & South Vietnamese guerrillas called the Viet Cong supplied guerrillas in the fighting in South Vietnam. The US, Australia, New Zealand, S. Korea, S. Vietnam, Philippines, and Thailand supplied troops for the allied side during the war.
The five other countries allied with Great Britain during WWI were France, Russia, Italy, USA, and Serbia.
During the Vietnam War, all combatants (including North Vietnam) used draftees except for the New Zealanders, they sent volunteers to South Vietnam.
Laos and Cambodia.
The Soviet Union and China were two significant allies of North Vietnam during the Vietnam War. The war lasted from 1955 to 1975.
America was defending Vietnam.
The nation (country) of Vietnam didn't exist during the Vietnam War. Nor was any nation called "Vietnam" fighting the US. There was a country called North Vietnam that defeated the Republic of South Vietnam in 1975. The US was allied to the RVN (Republic of South Vietnam).
Korea, Australia, Phillipines, and Canada all pitched in during the Vietnam war alongside the U.S. effort to preserve democracy in South Vietnam.
The austro hungarians allied with germany.
US allies were South Korea, Australia, New Zealand, Thailand, Philippines, and the Republic of South Vietnam.
korea
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There were about 26 countries during WWI.
Red China/USSR supplied North Vietnam with material & South Vietnamese guerrillas called the Viet Cong supplied guerrillas in the fighting in South Vietnam. The US, Australia, New Zealand, S. Korea, S. Vietnam, Philippines, and Thailand supplied troops for the allied side during the war.
The five other countries allied with Great Britain during WWI were France, Russia, Italy, USA, and Serbia.
During World War 2, there were thirty-two official countries listed as the Allied Powers. The chief Allied Powers were Great Britain, France, the Soviet Union, the United States and China.