Well before the threat of World War II entered societies' collective minds, smaller regional conflicts gradually simmered away across Europe. One of these, the Spanish Civil War, might not have drawn much notice from leaders in the United States, but the same could not be said for those who ruled Germany and the Soviet Union. In it, they found the perfect testing ground for the future weapons that would come to define the 1940s and much of our world to this day.   www.warstoriescast.com Become a War Stories supporter on Patreon