How did Germany and Austria-Hungary draw Serbia into World War l

Explanation:

In the days following the Austrian break in relations with Serbia, the rest of Europe, including Russia’s allies, Britain and France, looked on with trepidation, fearing the imminent outbreak of a Balkans conflict that, if entered into by Russia, threatened to explode into a general European war. The British Foreign Office lobbied its counterparts in Berlin, Paris and Rome with the idea of an international convention aimed at moderating the conflict; the German government, however, was set against this notion, and advised Vienna to go ahead with its plans.

it increase by 12% a year from 1812-1820