Otto von Bismarck was a prominent Prussian statesman and architect of German Unification. He implemented a strategy of Realpolitik, using diplomacy and military force to unify Germany under Prussian dominance.rephrase as a 9th grader shorten

Otto von Bismarck was an important Prussian leader who helped unite Germany through clever tactics and military power. He used diplomacy and force to make Prussia the strongest state and bring all of Germany under its control.