How does Priestley explore the theme of divisions in 'An Inspector Calls'?

As this is an essay question, the student would first need to take time to plan their answer. I would approach the question firstly by considering the examples of division in the text, then finding specific textual examples and then thinking about why this is important in the play. I would then group these into two or three points and book-end the answer with a short intro and conclusion.For example:Three points could be: 1) The generational divide within the family between Eric and Sheila, and Mr and Mrs Birling2) The gender divide3) The class divide between Eva Smith and the BirlingsCould also explore the division of the play into acts and the significance of each act ending when it does i.e. with Mrs Birling damning Eric without realising his role in Eva's demise at the end of Act 2 to include dramatic techniques.Taking point 3 as an example, I would then pick out specific quotes or stage directions from the text that illustrate the class divide. For example, Mr Birling's comments about lower costs and higher prices and conduct a close textual analysis.I would make sure each point being made linked back explicitly to the theme of division and explored possible reasons for why Priestley writes in this way. For example, the class divisions made evident in the play by the ignorance of Mr Birling highlight the injustices of such social divisions, which Priestley was keen to highlight as he used the play as a warning of the dire consequences of the middle classes exploiting the lower classes.