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Whaling decreased substantially after 1946 when , in response to the steep decline in whale populations , the International Whaling Commission placed a moratorium which set a catch limit for each country ; this excluded aboriginal groups up until 2004 .
 International Whaling Commission
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 International Whaling Commission