The Pr.us.sian chancellor who deliberately started it with Au.str.ia and used his victory to unite German states under P.r.u.s.si.an authority was Otto von Bismarck.
Who was O.tt.o. v.o.n Bis.marck?
Ott.o, Prince of Bis.marck, born Otto Eduard Leopold von Bis.marck, was a German statesman and diplomat. From his state in the upper class, Bismarck gained popularity rapidly in P.ru.ss.ian politics.
Therefore, the correct answer is option A. Otto von Bismarck.
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