I don't understand a word you just said use English please
It can be. But to most people they don’t believe they will be fine so in most cases it’s not a good therapeutic response.
The Schengen Visa is appropriate because if you have one, you can travel to every country that is a member of the European Union, and those who aren't but have been granted the Schengen status. By obtaining it once, you can travel anywhere from the list without having to think about visas or borders or anything similar.
sloppy that's the answer. hope this helped!
:)