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On September 1 , 1864 , Confederate General John Bell Hood made the decision to retreat from Atlanta , and he ordered the destruction of all public buildings and possible assets that could be of use to the Union Army .
 John Bell Hood, Atlanta, Union Army
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 John Bell Hood, Atlanta, Union Army