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After Germany 's defeat in World War I and the establishment of the Weimar Republic , a renewed liberal spirit allowed an upsurge of radical experimentation in all the arts , which had been suppressed by the old regime .
 Germany, Weimar Republic
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Germany, Weimar Republic