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She took pride in the British Empire , while insisting on the moral responsibility of empire , writing that : " There is a duty for the boys and girls of today : of giving to all those peoples a rule merciful and just , peaceful and free . "
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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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