France and later Free France fought on the allied side; while Vichy France was a nominal axis ally.
Italy started as a Axis power, but after its surrender in 1943 supported the allies.
Romania and Bulgaria started out as German allies, but switched sides when they were invaded by the Soviet Armies in 1944.
The axis got active suuport form some parts of Yugoslavia, such as Croatia, Serbia, and Montenegro; however there was widespread anti-axis activity throughout the country especially in Bosnia, Slovenia and Macedonia.
Initially, France, Poland, Canada, and Australia, New Zealand, South Africa, Belgium, Norway, The Netherlands, Denmark, and later the US, China, the Soviet Union, and other numerous smaller countries that joined later.
germany
Germany, Ottoman Empire, Austria-Hungary, and Italy
There were many countries that fought with us (on our side) in World War One. Assuming you mean the United States as "us," we were part of the Allied Nations. We joined the war in April of 1917 with countries including Great Britain, Russia and France for the most part. There were many other minor countries on our side such as Japan and Italy. We were against the Alliance of Germany, Austria-Hungary, and Turkey.
Technically, the Russian Empire fought in World War One, while the U.S.S.R. fought in World War Two. In both wars, it fought on the side of the Allies.
Some countries have accurace (or as accurate as possible) records of who fought in their forces in World War I; but some countries for various reasons have little or no records of this information.
germany
Italy and Turkey.
The Allied Powers.
Japan emerged as a world power, but Germany was weak and humiliated
poland,italy,belgium,switzerland
Like anybody cares what countries world war1 was fought am I right?
Italy who were originally on the side of the germans who then moved to the side o f the british.
Germany, Ottoman Empire, Austria-Hungary, and Italy
Germany, Japan, and Italy. Those are the biggest Axis Powers, but there were probably more lesser know countries that fought for the Axis
USA & Borneo,
The two side that fought in World War 2 are the allies and axis.
There were many countries that fought with us (on our side) in World War One. Assuming you mean the United States as "us," we were part of the Allied Nations. We joined the war in April of 1917 with countries including Great Britain, Russia and France for the most part. There were many other minor countries on our side such as Japan and Italy. We were against the Alliance of Germany, Austria-Hungary, and Turkey.