Because they were helping USA when the Japanese were fighting against them.
yes they did
Australia, Antarctica
The Middle East.
Australia was an ally of the US and sent troops to fight in both WWII and Vietnam.
They had trouble with the world war 2 and world war 1
3 August 1962 - 2 December 1972 .
during the word war 2 china was fighting with japan
Australia fought two separate wars from 1939 until the end of WW2 in 1945.
Great Britain
In the southeast parts of Asia with Australia
Australia fought in Egypt, Lybya, Crete and Papua New Guinea.
I think yes but I don't know why