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Historian James Axtell estimates that 240,000 people left Europe for the Americas in the 16th century .
 person: James Axtell; location: Europe; location: Americas
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: James Axtell; location: Europe; location: Americas