Which one of the following group of countries collectively defeated Napoleon in 1815 ?
a. Britain, Russia, Prussia and Austria
b Britain, Russian, Prussia and Australia
c. Britain, Russia, Netherlands and Germany
d. Britain, Luxembourg. Germany and Italy
So, the correct answer is (a) - Britain, Russia, Prussia and Austria
In 1815, r epresentatives of the European powers - Britain , Russia , Prussia and Austria - came together and defeated Napoleon in the Battle of Waterloo in 1815.