At the end of the Vietnam War, Congress refused to support South Vietnam any longer.
Australia had nothing to do with the Vietnam War.
the Vietnam War
The last American left Vietnam from the city of Saigon. The fall of Saigon was considered to be the end of the Vietnam War.
The Democratic Republic of Vietnam (AKA North Vietnam) .
See website: Moratoriums to end the war in Vietnam.
The North won.
At the end of the Vietnam War, Congress refused to support South Vietnam any longer.
At the end of the war.
Vietnam War
The Vietnam War ended on April 30th, 1975.
How about "Conflict and Combat: The Vietnam War"