You may be right, but be sure to check your text. This article doesn't seem to support any of your answers.
https://www.aboutvienna.org/history/wiener_kongress.php
Which identifies the effects of the Congress of Vienna?
The unification of Germany led to the Seven Years’ War.
The harsh treatment of France led to a rise in nationalism throughout Europe.
An interconnected Europe led to the creation of the European Union.
The congress system it set up became a model for the United Nations.
B?
4 answers
ok thank you
B was incorrect
it was D. yw future people with this class.