See the related link below for a list of countries and their involvement in WWII. Practically every nation was tied into the war somehow.
canada pizza
Japan, Germany, Italy.
world war 2 was more of a world war. It was fought on more fronts and included more countries.
millions
408,000
1120.
over 60million
United States, Canada, United Kingdom, Soviet Union.
They joined other countries to defeat Hitler and the Nazis and the Japanese AND the Italians.
world war2
21 years officially
No