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The three novels are a continuing saga set in Khuzistan during three important periods : The days of nationalization of oil in 1951 , the aftermath of the coup d'état which brought the Shah back to the throne in late August 1953 , and Iraq 's invasion of Iran in 1980 .
 Iran
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Iran