World War II involved Canada.
It involved the vast majority of the world 's countries -- including all of the great powers -- eventually forming two opposing military alliances : the Allies and the Axis .	Allies	Allies of World War II	Axis	Axis powers
Within days they were joined by the independent Dominions of the British Commonwealth : Australia , Canada , New Zealand and South Africa .	Canada	Canada	Dominions	Dominions	British Commonwealth	Commonwealth of Nations	Australia	Australia	New Zealand	New Zealand	South Africa	South Africa
