A propaganda film made during the Spanish Civil War in support of the Republican government against the rebellion by Gen. Francisco Franco's forces who were backed by Nazi Germany and Fascist Italy. The film would have been seen by those making it as a documentary.
Writer: Prudencio de Pereda, John Dos Passos, Joris Ivens, Archibald Macleish, Lillian Hellman, Ernest Hemingway
Director: Joris Ivens
Director of Photography: John Fernhout