When it comes to World War II, nations like Germany, Italy, Japan, Soviet Union, United Kingdom, United States, Poland, China and etc. come to mind, but countless nations or even factions that are forgotten by little involvement, neutrality and even short-lived. Here's what this mod is dedicated to.
Although the British Union of Fascists was not an armed group but a party, there are reports of such carrying arms as a type of paramilitary militia following the example of the Italian black shirts.
It's almost impossible to believe, but there were British supporters of the fascist movement who opposed British involvement in World War II.
There were even British supporters of the bolshevik movement, who fought for it during the Spanish Civil War (in particular, a certain George Orwell).
Some of them continued to serve this ideology after World War II, spying their country for the benefit of the Soviets. So they opposed British involvement during the Cold War ...