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Events The Front formed on Sunday , 11 October 1931 at a convention of representatives of the varying political groupings styling themselves the " national opposition " at the spa town of Bad Harzburg in the Free State of Brunswick , where the Nazi Dietrich Klagges had just been elected State Minister of the Interior .
 Front, Bad Harzburg, Nazi Dietrich Klagges
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Front, Bad Harzburg, Nazi Dietrich Klagges