The Spanish civil war has been highlighted as an important prelude to WWII with Germany, Italy and Russia providing men and materiel for the Republican and Nationalist forces. Augmenting this were other foreign fighters forming the international Brigades. In this episode we'll explore this conflict to see how much influence it had on the Second World War.

I'm joined by Alex Clifford, author of The People's Army In the Spanish Civil War and co-host of the podcast History's Most, a podcast that delves into interesting, under-reported and controversial topics in history. In each episode they take a 'most' or 'worst' in history and investigate it, from History's Most Guilty man, to most Unlikely victory to worst democracy. From Erich Ludendorff to the First Crusade... You should be able to find it on your podcast software of choice...