I have to show my passport to French and Italian authorities, what the heck?

We are traveling Europe and the French police came through and asked everyone to show their passports. Is this normal?

So many in the USA seem to think you should be able to live freely, without evidence and do what you want... there shouldn't be enforcement actions.

Doing a reality check.

I have to show my passport to French and Italian authorities, what the heck?
I have to show my passport to French and Italian authorities, what the heck?
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