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The price of persuading the French intruder to head north again , agreed in the Treaty of Tolentino , was a massive indemnity , the removal of many works of art from the Vatican collections and the surrender to France of Bologna , Ferrara and the Romagna .
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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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