Curley's Wife longs for friendship. How does this reflect the era in which this book is based on?

The depression has forced women like Curley's wife to marry the best they can. Women seldom worked nor could they find a job if they wanted to. In this case, she marries Curley. Curley’s father has money. She is forced to live in a ranch full of men. Curley is abusive and she feels lonely and isolated.