The correct answers are A) it resulted in an agreement to suppress nationalism and C) it led to a decrease in the number of republics.
The other options of the question were B) it helped Britain gain control over France and D) it caused frequent revolts in Latin American Countries.
The two statements that best show the effect of the Congress of Vienna in Europe were the following: it resulted in an agreement to suppress nationalism and it led to a decrease in the number of republics.
Also known as the Concert of Europe, Austria, Russia, Britain, and Prussia gather together to rearrange Europe at the end of the Napoleonic Wars. These powerful nations wanted to design how Europe should look and function after the dominion of Napoleon. They also wanted to restore the monarchies that Napoleon had dissolved.