(A) German
(B) ** Serbian
(C) Russian
(D) American
EXPLANATIONS BELOW
Concept note-1: -Archduke Franz Ferdinand of Austria, heir presumptive to the Austro-Hungarian throne, and his wife, Sophie, Duchess of Hohenberg, were assassinated on 28 June 1914 by Bosnian Serb student Gavrilo Princip.
Concept note-2: -A suspect, a 19-year old Bosnian-Serb named Gavrilo Princip, was apprehended. Princip is said to be affiliated with the Serbian nationalist society Black Hand, which reportedly has ties to the Serbian government that is dedicated to uniting Bosnia with Serbia.
Concept note-3: -Nationalism played a specific role in World War I when Archduke Ferdinand and his wife were assassinated by Princip, a member of a Serbian nationalist terrorist group fighting against Austria-Hungary’s rule over Bosnia.
Concept note-4: -The assassin was Gavrilo Princip, a member of the Black Hand Society. The society was part of a Serbian nationalist movement that aimed to unite Serbia and other Slav states, then part of the Austro-Hungarian Empire.
Concept note-5: -Unification or Death (Serbian: Ujedinjenje ili smrt, Serbian Cyrillic: ), popularly known as the Black Hand (Serbian: Crna ruka, Serbian Cyrillic: ), was a secret military society formed in 1901 by officers in the Army of the Kingdom of Serbia.