I suppose this was the Far Pavilions of its day, but it doesn't tickle my id as well. The young people have more interesting moral challenges -- this is set around the 'Mesopotamian' war (WW1), and has nationalism and the New Woman as Questions -- but the author is solidly for Englishness and motherhood, and not surprising interpretations of either.
Project Gutenberg file #15704, Far to Seek.
So wrote clew in Fiction (20th c.).