20672
Kennedy was asked by the American Civil Liberties Union to intervene and to halt the project , but he declined , citing a critical need for flood control .
 Kennedy, American Civil Liberties Union
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Kennedy, American Civil Liberties Union