Answer :
The correct answer is the following: option D. Alexander I was the Russian tsar that helped defeat Napoleon and saw himself as the leader of European monarchs who opposed revolutionary change.
Born in December 23rd 1777 in St Petersburg, Russia, Alexander I was the Emperor of Russia between 1801 and 1825. He fought against Napoleon, and during some times made peace with the French leader as well, but ultimately Alexander I was the leader that formed the coalition that defetead Napoleon in 1815.