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Iraqi Oil Minister Jabar Ali al-Luaibi visits the oil field of Zubair, in Basra, Iraq

Iraqi Oil Minister Jabar Ali al-Luaibi visits the oil field of Zubair, in Basra, Iraq, August 27, 2016. REUTERS/Stringer FOR EDITORIAL USE ONLY. NO RESALES. NO ARCHIVES.

Iraq War

President Obama announced on Oct. 21 that the United States is pulling all its troop from Iraq by the end of the year. (ABC News)