Germany and italy became unified under a policy of realpolitik, a german expression that means that the goals of the government policy should be accomplished by?
following public opinion
the calculated use of power
adherence to international law
remaining true to ideals

the calculated use of power

The union of both Germany and Italy was made possible under a policy named "Realpolitik". Realpolitik is a German expression which refers to the way in which the goals of government policy must be achieved. According to Realpolitik that is based on calculated use of power. 

The correct answer is b