. Who was the architect of German unification
A: Otto von Bismarck
B: Kaiser William II
C: Giuseppe Garibaldi
D: Count di Cavour
Otto von Bismarck was the architect of German unification.Otto von Bismarck was a statesman of Prussia who dominated the affairs
Germany during the 1860 and 1890. By waging series of war, he was the one who united the German states.
Hence, the correct answer is option (A), i.e, Otto von Bismarck.