Well it is very simple you know. It is because they're allies were fighting so they had to fight too or else the alliance will be broken. Very simple you know.
Of the countries actually fighting in the war, Australia, Canada and the mainland United States escaped any physical destruction.
No country conquered Australia during WW2 or any war.
no one
Australia fought in WW2 as an ally of Great Britain in both the European and pacific parts of WW2. Australia made its forces and its infrastructure available in the war against the Germans and the Japanese.
Why were traditional methods of fighting no longer possible during World War I
During World War II, further Japanese fighting ceased when we dropped two atomic bombs on Japan.
There was no fighting on the continental U.S. as well as Canada and Mexico. There was no fighting in Central America, South America, Australia, and of course, Antarctica.
The U.S. economy had not been destroyed by fighting during WW2.
The worst fighting in Europe was during World War 2 1914-1918 and World War 2 1939-1945.
Antarctica
the axis powers
the Turks and the Germans