The assassination of Archduke Franz Ferdinand started World War I because: O the Black Hand had groups all over Europe. Sarajevo was an international city with French, British, and Russian zones. Serbia was backed by Russia and Austria-Hungary was backed by Germany. O he was a British envoy to the Ottoman Empire.

The assassination of Archduke Franz Ferdinand started World War I because: O the Black Hand had groups all over Europe. Sarajevo was an international city with French, British, and Russian zones. Serbia was backed by Russia and Austria-Hungary was backed by Germany. O he was a British envoy to the Ottoman Empire.