You can have first world features while still skirting the line of what it means to be a first world country. Honestly the healthcare system alone is plenty to bring into doubt whether the USA can really be compared to most of western europe.

Hmm... That's much harder. I can list plenty of things, only, they apply only to the wealthy.

60 years ago I'd have a huge list. But we sorta stopped caring and we've been costing on that historical success.