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Eliminating such weapons was a chief reason President George W . Bush gave for the U . S . - led invasion of Iraq that began March 20 .
 U . S, Iraq, President, President George W . Bush, such weapons
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: organization, person, geographical social political, vehicle, location, weapon, facility 
Text: {0} 
Answer:
 U . S, Iraq, President, President George W . Bush, such weapons