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After several efforts , Spanish troops from Peru took advantage of the internecine strife to reconquer Chile in 1814 , when they reasserted control by the Battle of Rancagua on October 12 .
 Peru, Chile
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Peru, Chile