-Eva and sheila are very similar throughout the play intentionally, in their gender, age and appearance. both in "early twenties", commented on as attractive, Eva and Sheila both "pretty looking girl" and "attractive girl", both characters undermined by the word "girl". Yet their stories and lives play out so entirely differently because of the social hierarchy and class, their life outcomes, although almost entirely similar in every other regard, are influenced by the exploitation of society. Whilst one is "happily celebrating" her engagement to a lord, the other lays "burnt out on a mortuary slab
-Priestley does this to directly confront the effect of class, and flaws/exploitations the system of capitalism is capable of in the morbid reality that many ignore. The confrontation of the Birlings actions is a microcosm for what Priestley believes as upper/middle class english should conceptualize.