<Li> August 1901 (as Black Hand Society) </Li> <Li> 28 June 1914 (as Unification or Death) </Li> <Tr> <Th> Type </Th> <Td> Secret society </Td> </Tr> <Tr> <Th> Purpose </Th> <Td> <Ul> <Li> Liberation of Austro - Hungarian South Slavs (Yugoslavism) </Li> <Li> Unification of ethnic Serb territories (Pan-Serbism) </Li> </Ul> </Td> </Tr>

What role did the black hand play in ww1