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Imperial War Minister A close associate of the army chief of staff Conrad , Krobatin was appointed Imperial Minister for War in 1912 and as an integral member of the " war party " gave his full backing to the hawkish element in the military in their calls for an immediate attack on Serbia following the assassination of Archduke Franz Ferdinand of Austria and the July Ultimatum .
 Conrad, Krobatin, Serbia, Archduke Franz Ferdinand of Austria
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Conrad, Krobatin, Serbia, Archduke Franz Ferdinand of Austria