The political satire of the film
Chaplin as left wing?
Chaplin’s continuing preference for the conventions of silent cinema
Chaplin’s tramp persona – Physical comedy – and other aspects of performance
The importance of the love story
Accusations of excessive sentimentality against Chaplin’s work
The ending of the film – narrative closure but no resolution?
The impact of the film – both on release and subsequently
Maybe …. The plagiarism accusation vis-à-vis René Clair’s A Nous la Liberté)
It is worth contextualising Modern Times with other of Chaplin’s pieces of the period most notably The Great Dictator. The Tramp and the Dictator Documentary might also be worth a revisit and the extras on the Modern Times DVD are excellent reference and source material.