Final answer:
The film 'Casablanca' is often debated in terms of being propaganda, informational to influence public opinion, or containing justified messages, with views varying widely based on individual perspectives of its wartime narrative.
Step-by-step explanation:
The classic film Casablanca can be seen in different ways depending on the perspective of the viewer. While some may argue that the film played a role as propaganda during World War II by supporting the war effort and portraying the fight against fascism in a positive light, others may consider it to be a film that simply provided information to influence public opinion about involvement in the war, without necessarily being propagandistic. Additionally, there are opinions that view the messages within Casablanca as justified messages, reflective of the era's moral stance and the necessity of combating tyranny.