One Summer America, 1927

I think one of the most popular novels of the period definitely kind of showcased this. It was called One Summer by an author by the name of Blanche Willis Howard, who was very prominent in the day, in the 19th century.

She moved towards him with an expression of sincerest regret upon her lips. Her remark was, however, unspoken, for the stranger at the same moment advanced and in a gentlemanly voice said, My good woman. Good woman indeed, she thought indignantly. And with a sudden revulsion of feeling, her sympathies giving way to wounded pride of station. Does he take me for a milkmaid?

I really like this book, 1927, by Bill Bryson, which covers everything that happened in America that year, and I've read it multiple times because it's full of facts.