World War II In HD Colour episode 1: The series starts with that great paradox. How could the settlement at the end of World War One - the 'war to end all wars' - lead to an even greater conflict just a few years later ? The answer is a tale with terrible resonance today. This film shows how the Great Depression sapped the will of the democracies of the West to face up to a new and disturbing political phenomenon - the rise of militaristic dictators, in Germany, Italy, Japan and Spain.