Final answer:
The Dreikaiserbund was successful for Germany as it diplomatically isolated France, maintained European stability, allowed Germany to consolidate power, and supported its ambitions as a new Great Power under Bismarck's diplomatic strategy.
Step-by-step explanation:
The Dreikaiserbund, or League of the Three Emperors, was an alliance formed in the latter part of the 19th century between the emperors of Germany, Austria-Hungary, and Russia. It was a success for Germany as it was able to diplomatically isolate France, maintain stability in Eastern Europe, and facilitate the diplomatic manoeuvres that Chancellor Otto von Bismarck considered essential for Germany's security and interests. The agreement was part of Bismarck's system of alliances aimed to prevent France from gaining allies as well as to prevent conflicts between Austria-Hungary and Russia over Balkan issues, which could potentially draw in Germany.
Thus, the Dreikaiserbund contributed to a period of relative peace in Europe, which allowed Germany to consolidate its power and pursue its ambitions as a "Great Power" to rival Great Britain and France. Additionally, it showed Bismarck's skill in using complex diplomacy to achieve a balance of power that favored Germany's position in Europe. However, the Dreikaiserbund was strained by competing interests in the Balkans and ultimately collapsed, leading to shifting alliances and tensions that would contribute to the outbreak of World War I.