If it was written by them and the story about their life then it's and autobiography. Hope it helps.
It means people perceived him as great although it depends on the character you ask if that’s what they believed. i believe gatsby is great because he was capable of captivating the hearts and attention of so many people when they never knew the real truth about him
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Hi UWU ;)
It is B.) Plural possessive
plural: men
Possessive: 's