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Nobel Peace Prize laureate Denis Mukwege delivers his speech, during the Nobel Peace Prize Ceremony in Oslo Town Hall, in Norway, Monday, Dec. 10, 2018, Dr. Denis Mukwege and Nadia Murad of Iraq, shared the 9-million Swedish kronor ($1 million) Nobel Peace Prize. Mukwege was honored for his work helping sexually abused women at the hospital he founded in the Democratic Republic of Congo. Murad, a Yazidi, won for her advocacy for sex abuse victims after being kidnapped by Islamic State militants. (Berit Roald/NTB scanpix via AP)

Nobel Peace Prize laureate Denis Mukwege delivers his speech, during the Nobel Peace Prize Ceremony in Oslo Town Hall, in Norway, Monday, Dec. 10, 2018, Dr. Denis Mukwege and Nadia Murad of Iraq, shared the 9-million Swedish kronor ($1 million) Nobel Peace Prize. Mukwege was honored for his work helping sexually abused women at the hospital he founded in the Democratic Republic of Congo. Murad, a Yazidi, won for her advocacy for sex abuse victims after being kidnapped by Islamic State militants. (Berit Roald/NTB scanpix via AP)

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)