Answer:
Ally his country with those surrounding France.
Explanation:
Otto von Bismarck went into alliance with countries surrounding France. He used political diplomacy to make Russia, Italy and Britain stay out of the war. He actually used deception to win allies which was used against France.
Bismarck ruled Prussian and whole Germany and was able to unify Germany. He was the first Chancellor of Germany.
The answer is treaty of tordesillas
