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American sociologist Immanuel Wallerstein claims that Iraqi nationalism was a major factor in Iraq 's resistance against US occupation during the Iraq War that led to US forces withdrawing from Iraq .
 Immanuel Wallerstein, Iraq, Iraq, Iraq
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Immanuel Wallerstein, Iraq, Iraq, Iraq