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The training and work qualifications of Croatian emigrants in the inter-war period remained more or less unchanged from what it had been in the earlier period ; most emigrants were unskilled farmers and the number of craftsmen who emigrated increased by only a small amount .
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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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