Otto von Bismarck achieved the unification of Germany by a policy called ?

Realpolitik.

Explanation:

Otto von Bismarck's Realpolitik plan was to unify german states and to make Berlin the capitol of Germany, as well as weaken Austria.

the right answer for the question that is being asked and shown above is that: "their policy of "divide and rule" pitted political groups against each other to keep any one group from becoming too powerful.  " the  participant in european imperialism is being described below is that  their policy of "divide and rule" pitted political groups against each other to keep any one group from becoming too powerful. 

imma say false because i dont know anything about this.