What was the name of the group that conspired to assassinate archduke

The Black Hand

Explanation: The Serbian terrorist group known as the Black Hand was determined to assassinate Francisco Fernando, succeeding during the second attempt on 1914. The assassination gave Austria-Hungary a reason to act against Serbia with a harsh ultimatum. Russia supported Serbia and Germany supported Austria in the ever-increasing conflict, generating a chain reaction that resulted in the confrontation of the major European powers in what became World War I.

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there has only been 12 presidents. the 12th president is/was moon jae-in