Two: US & Japan
The Allied Nations fought against the Axis Powers. This was the United Kingdom, France, the United States, Canada, Australia and Soviet Union. Many other nations also sided with the Allied Nations.
Japan and Italy
cuado eres la mapa
The main enemies of the Allied Nations in WW2 were Germany, Japan and Italy. There were some other Axis nations, but, they were very small.
Well, France was being invaded. Soviet Union was on the eastern front that's two for sure. also, any allied occupied nations in Europe couldn't have participated
One of the Allied countries who did not join the League of Nations was the United States. Hope this helps, but this may not be the complete answer!
Austria-Hungary and Germany
There were about 26 countries during WWI.
The Hurons were allied with the French and the Iroquois were allied with the British
american
Lots of nations fought on the allied side of WW1. Some major ones were the United Kingdom, France, USSR, and the United States.