The defeat undermined the international status of the Empire and threatened it's existence. It's German and Austrian role was also lost.
War that left France isolated and humiliated. This isolation led to the alliance between France and Russia.
Alliance between Germany, Austria-Hungary, and Italy. Austria-Hungary used this to remain a dominant force in the Balkans while Germany used it as a form of protection from other European powers.
Alliance between Germany and Austria-Hungary that meant each country was committed to aiding the other in the event of a war.
Germany's diplomatic leader for the past 30 years was dismissed from office, and this lead to the crash of German diplomatic actions with the rest of Europe.
French colonization of Africa was looked upon poorly by Britain and Italy. Anglo-French relations were peaked due to this colonization.
Russian and French agreement where Russia would be obligated to attack Germany if that country attacked France, or aided Italy in such an attack.
Heir to the throne of Serbia, King Alexander is assassinated
German diplomatic policies turned into a form of bullying that resulted in a two against five battle that ended in the support of French influence in Morocco.
Agreement between England and Russia that resulted in better Anglo-Russian relations.
Britain focuses it's naval forces on the Mediterranean Sea to protect Gibraltar and France.