Otto von Bismarck portrait, flat vector illustration

otto, bismarck, statesman, germany, prussia, politics, diplomacy, unification, empire, chancellor, power, strategy, war, military, europe, nineteenth, century, leadership, policy, government, reforms, constitution, monarchy, nationalism, conservatives, alliances, treaties, balance, authority, influence, history, biography, decision, statecraft, parliament, conflict, unification process, foreign relations, governance