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Though Sweden did not possess an extensive colonial network , botanical research based on Carl Linnaeus identified and developed techniques to grow cinnamon , tea and rice locally as an alternative to costly imports .
 Sweden, Carl Linnaeus
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Sweden, Carl Linnaeus