Question

which of the country did not met in Vienna?​

Answer 1

Explanation:

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In a technical sense, the "Congress of Vienna" was not properly a congress: it never met in plenary session. Instead most of the discussions occurred in informal, face-to-face sessions among the Great Powers of Austria, Britain, France, Russia, and sometimes Prussia, with limited or no participation by other delegates.

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Answer 2

Answer:

Switzerland is correct answer I think so