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The continuing expansion of black education took place against a background of increased violence against blacks in the South , after Democrats regained power in state governments and imposed white supremacy in society .
 location: South; organization: Democrats
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: South; organization: Democrats