Spain was a Neutral country in World War 2, and did not fight on either side.
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.
France and russia
germany
During World War I, several countries fought alongside Britain as part of the Allies. Notable allies included France, Russia, and Italy, among others. The United States also joined the conflict on the side of the Allies in 1917. These nations collaborated to oppose the Central Powers, which primarily included Germany, Austria-Hungary, and the Ottoman Empire.
Italy
Spain was a Neutral country in World War 2, and did not fight on either side.
There was three, The USA, Britain, and the Soviet Union
Voldemort
Hiroshima is a city in Japan. This country fought in the axis side.
The Central Powers in World War I were Germany, Austria-Hungary, Bulgaria, and the Ottoman Empire.
New Zealand and Australia fought together. They were called ANZACs.
During World War I and World War II, Indians fought on the side of the British Empire. Many Indian soldiers served in the British Indian Army and British armed forces.
The country which fought alongside the North Koreans in the Korean War was China. The Chinese entered the war on June 27, 1950.
The two side that fought in World War 2 are the allies and axis.
The NZ fought in the British Empire and with Australia.
New Zealand fought with the British against the Nazis in World War II, sending a total of 140,000 military personnell overseas.