What European prince minister based his policies on the concept know as realpolitik?

The European prince minister who based his policies on the concept of realpolitik was Otto Von Bismarck. As the Chancellor of the German Empire, Bismarck prioritized practical and pragmatic approaches to politics, focusing on power and state interests rather than ideological or moral considerations. His strategies included diplomatic manipulation, strategic alliances, and military action, ultimately leading to the unification of Germany under Prussian leadership. Bismarck's realpolitik significantly influenced European politics in the late 19th century.