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On December 16 , 1861 a bill was presented to Congress to emancipate slaves in Washington D.C. , and in March 1862 Lincoln held talks with Crisfield on the subject of emancipation .
 Washington D.C., Crisfield
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Washington D.C., Crisfield