Final answer:
Citizen Kane set new standards for filmmaking with its aesthetic quality and meaningful social message.
Step-by-step explanation:
The film Citizen Kane set new standards for filmmaking because of its aesthetic quality and meaningful social message. Directed by Orson Welles and released in 1941, Citizen Kane is often regarded as one of the greatest films ever made. It introduced innovative techniques such as deep focus cinematography and non-linear storytelling, revolutionizing the art of filmmaking.