Calculated realpolitik
Otto von Bismarck
Bismarck is the restraint profile: timing, limited wars, alliances, and knowing when not to spend force.
The instrument of power.
Bismarck shows strategic patience. He uses conflict, but he also limits objectives, isolates enemies, and treats diplomacy as part of the battlefield.
The Machiavellian lesson is proportion. Power is not only the ability to strike; it is the discipline to stop once the political object has been achieved.
The warning.
Calculation can still leave wounds. Bismarck belongs here because even restrained realpolitik must be judged by the human costs it arranges.