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In 1492 a Spanish-financed expedition headed by Christopher Columbus arrived in the Americas , after which European exploration and colonization rapidly expanded .
 person: Christopher Columbus; 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: Christopher Columbus; location: Americas