USA HISTORY

Detailed explanation-1: -Bismarck relied on realpolitik, a combination of diplomatic and political tools based on the given circumstances. Rather than sharing moral and ethical norms, it adopts philosophical approaches of realism and pragmatism with the main aim to pursue vital state interests.

Detailed explanation-2: -economic co-operation meant that unification may have happened eventually anyway. Bismarck made sure that it happened.

Detailed explanation-3: -As we learned, realpolitik is a German word referring to politics-driven practical, or pragmatic, concerns rather than ideological ones. Realpolitik is most commonly associated with German Chancellor Otto von Bismarck, who was a master statesman and used realpolitik extensively and with tremendous success.

Detailed explanation-4: -In the 1860s, Otto von Bismarck, then Minister President of Prussia, provoked three short, decisive wars against Denmark, Austria, and France, aligning the smaller German states behind Prussia in its defeat of France. In 1871 he unified Germany into a nation-state, forming the German Empire.