The Question and Answer section for An Inspector Calls is a great resource to ask questions, find answers, and discuss the novel.
I think the most obvious character to feel pathos for would be Eva Smith. Eva is the girl who the Inspector claims worked for Birling and was fired, before working for Milwards and then being dismissed. After being abused by rich people, it is...
The "curtain falls" is a stage direction, not a setting.
No, that quote does not reflect time or place.