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However , openly-LGBT Afro-Americans have contributed extensively to many cultural and political events and institutions in the process of the ethnicity 's enfranchisement and participation in the melting pot of the country while also becoming increasingly visible participants in the movement for LGBT civil rights in the United States .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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