If you are thinking why the nazis always used coloured film, it was because they wanted to show that the Germans where superior. The U.S. also had this technology however they though it would be too expensive to show all their films in colour.
Also due to the work of Leni Riefenstahl, a female nazi director who filmed the 1936 Olympic Games, the first filmed ever, the Germans w
*worked out how to properly incorporate film and propaganda.