Answer:
Correct answer is Germany in Italy.
Step-by-step explanation:
Italy and Germany were divided into many different states.
Certain confederations were created but that didn't led to unification of these countries. Therefore in the second half of 19th Century movements for unification of these countries was one of the main issues in the European politics.
Piedmont was the state that led the unification of Italy, while Prussia was leading the unification of Germany.