Academic history has begun only relatively recently to study films as historical sources, and thus far it has focused principally on feature films to the exclusion of nonfictional cinema, despite the use of educational films for propaganda as early as the interwar period. This essay examines the extent to which educational films of this period employed a range of techniques to reach their viewers and encouraged them to take the film's argumentation on board. Categorizing these techniques as either narrative strategies or visual effects, we contextualize their use by taking the film "Die Weltgeschichte als Kolonialgeschichte" ("World History as Colonial History," 1926) as an example.