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Before becoming a nurse , she packed supplies for soldiers and wrote letters and articles , such as " A Word about the War " for the Princeton Standard , in an effort to bring to light the pressing needs of soldiers and call upon what she saw as the duty of women in war time .
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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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