a. Both men opposed the borders created by the Congress of Vienna.
b. Both men promoted nationalism to unify small states into larger nation-states.
After the Napoleonic wars and the French revolution was over, the borders settled disfavored Italy and Germany, this si why in a nationalistic rally both men conquered back several regions that were part of germany and italy befor the Congress of Viena.
There are three main reasons for European Exploration. Them being for the sake of their economy, religion and glory. They wanted to improve their economy for instance by acquiring more spices, gold, and better and faster trading routes. Also, they really believed in the need to spread their religion, Christianity.