which country directly supported the assassination of archduke ferdinand in 1914?\no the united states\no…

which country directly supported the assassination of archduke ferdinand in 1914?\no the united states\no germany\no france\no serbia
Answer
Answer:
D. Serbia
Brief Explanation:
The Black Hand, a Serbian - nationalist secret society, was involved in the assassination of Archduke Franz Ferdinand of Austria - Hungary in 1914. There were links between some Serbian military officers and the Black Hand, suggesting some level of Serbian support for the assassination.