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However , when the LLWS was expanded in 2001 from eight teams ( four U.S. teams and four " International " teams from the rest of the world ) to 16 teams ( eight U.S. and eight International ) , the Western Region was split into the Northwest and West Regions .
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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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