What factors might account for their similarities or differences?

just need a research question for two Italian cinema movies, specifically outta of these options, ” Ossessione, Story of a Love Affair, Salvatore Giuliano, The Seduction of Mimi, Once upon a Time in the West, The Night Porter, Black Sabbath. Below are further instructions

This research question could become the topic of your final essay, or you can decide to write a new research question for it. This first submission is worth 5% of the total mark for this assignment.

Total word count: 250 to 350 words

You can only use films that are on the syllabus
The comparison should not be descriptive but interpretative. Description is only instrumental to a critical point.
This should lead to a series of well formulated critical points or to a single thesis
What factors might account for their similarities or differences?
a) The historical and cultural context in which each film is made?
b) The exploration of different forms of crime and criminality?
c) The time in which the film is set and different ideological or stylistic positions on the part of directors?
d) Different source materials?
Etc.

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