World War II by country World War II by country Nearly every country and territory in the world participated in World War II, with the exception of only a few nations which remained neutral. The Second World War pitted two alliances against each other, the Axis powers and the Allied powers. The leading Axis powers were Nazi Germany, the Kingdom of Italy and the Empire of Japan; while the United Kingdom, the United States, the Soviet Union and China were the "Big Four" Allied powers. The countries involved in or affected by World War II are listed here alphabetically, with a description of their role
Allied war crimes during World War II both within and outside Japan. Allied war crimes during World War II Allied war crimes include both alleged and legally proven violations of the laws of war by the Allies of World War II against either civilians or military personnel of the Axis powers. At the end of World War II, many trials of Axis war criminals took place, most famously the Nuremberg Trials and Tokyo Trials. However, in Europe, these tribunals were set up under the authority of the London Charter, which only considered allegations of war crimes committed by people who acted in the interests of the Axis