Switzerland
Switzerland has a long history of neutrality.
Japan
Italy
Italy
Tsarist Russia in World War I and the Soviet Union in World War II.
World War 2 started when Germany invaded Poland on September 1, 1939 and then England & France declared War on Germany.
Switzerland,Sweden and Spain
World War 2 it was Stalin and World War 1 it was Lenin
Germany .
Depending on who you are you fought in World War 2. World War
Switzerland