With war imminent, American filmmaker Frank Capra watched Leni Riefenstahl's Triumph of the Will (1935) for the first time and came away shaken and despondent. Struggling to find a way to communicate the urgency and meaning of the Second World War to a skeptical American public, Capra decided to produce counter-propaganda by taking found footage from existing newsreels and documentaries, re-editing the footage to produce new montage effects, and adding explanatory, sometimes humorous, narration in an "everyman" idiom (provided here by Walter Huston). The Battle of Britain, fourth of the seven Why We Fight films, is exemplary. Restored by the United States National Archives.