US Secretary of State John Kerry (c.) meets with Iraqi Prime Minister Nouri al-Maliki in Baghdad June 23, 2014. Kerry urged the Shiite-led government to give more power to political opponents before a Sunni insurgency seizes more control across the country.
2 of 32
Mourners chant slogans against the al-Qaida breakaway group the Islamic State of Iraq and the Levant after burying 15 bodies in the village of Taza Khormato near the northern oil-rich city of Kirkuk, Iraq, June 23, 2014.
3 of 32
Members of the Iraqi Special Operations Forces take their positions during clashes with the al Qaeda-linked Islamic State of Iraq and the Levant (ISIL) in the city of Ramadi, June 19, 2014.
4 of 32
Iraqi men check in at main army recruiting center to volunteer for military service in Baghdad, Iraq, June 20, 2014, after authorities urged Iraqis to help battle insurgents. The campaign by the al-Qaida-inspired Islamic State militants has raised the specter of the sectarian warfare that nearly tore the country apart in 2006 and 2007, with the popular mobilization to fight the insurgents taking an increasingly sectarian slant, particularly after Iraq's top Shiite cleric made a call to arms.
5 of 32
A family fleeing the violence in the Iraqi city of Mosul waits at a checkpoint in outskirts of Arbil, in Iraq's Kurdistan region, June 10, 2014. Radical Sunni Muslim insurgents seized control of most of Iraq's second largest city of Mosul, overrunning a military base and freeing hundreds of prisoners in a spectacular strike against the Shiite-led Iraqi government.
6 of 32
An Iraqi federal policeman stands guard as his colleague searches a car at a checkpoint in Baghdad, Iraq, June 11, 2014. The Iraqi government has tightened its security measures after a stunning assault that exposed Iraq's eroding central authority, Al Qaeda-inspired militants overran much of Mosul, seizing government buildings, pushing out security forces and capturing military vehicles as thousands of residents fled the Iraqi second-largest city.
7 of 32
A woman hails a taxi while standing under Patriotic Union of Kurdistan (PUK) logos before Iraq's parliamentary elections in Sulaimaniya April 28, 2014.
8 of 32
Poll workers count ballots after the end of voting during the parliamentary elections in Baghdad April 30, 2014. Iraqis headed to the polls in their first national election since US forces withdrew from Iraq in 2011, with Prime Minister Nouri al-Maliki seeking a third term amid rising violence.
9 of 32
Shiite cleric Muqtada al-Sadr casts his vote at a polling station during parliamentary election in Najaf, south of Baghdad April 30, 2014.
10 of 32
Iraqi security forces take part in an intensive deployment during clashes with the Al Qaeda-linked Islamic State of Iraq and the Levant (ISIL) in the city of Ramadi Feb. 2, 2014. ISIL militants and other Sunni groups, angered by the Shi'ite-led government, overran Fallujah and parts of the nearby city of Ramadi in the western province of Anbar on Jan. 1.
11 of 32
A snowboarder takes part in the first Sky and Snowboard Festival in the mountains of Korek in Arbil, capital of the autonomous Kurdistan region Jan. 31, 2014.
12 of 32
A man inspects a copy of the Quran, Islam's holy book, amid the ruins of the al-Hussein Shiite mosque a day after a suicide bomber struck in Musayyib, about 40 miles (60 kilometers) south of Baghdad, Iraq, Sept. 30, 2013. A series of bombings in different parts of Iraq included two suicide bombings in the country's relatively peaceful northern Kurdish region.
13 of 32
People browse through books during the launch of a reading initiative in Abu Nawas Park in Baghdad September 28, 2013. The "I am Iraqi... I read" initiative was launched in Baghdad to encourage Iraqis to read in a country that has suffered decades of war and internal struggle.
14 of 32
A woman walks near the site of a car bomb attack in Baghdad September 30, 2013. A series of car bombs exploded in busy areas in predominantly Shi'ite neighborhoods of Baghdad, killing at least 42 people and wounding dozens more, police and medical sources said.
15 of 32
An Iraqi woman grieves for her son at the scene of a car bomb attack where he was killed, in Baghdad, Iraq, Aug. 15, 2013. A wave of car bombs in the Iraqi capital killed 26 people and wounded dozens, the latest attacks in a months-long surge in violence.
16 of 32
Iraqi Hezbollah scouts hold Hezbollah flags during a rally in Baghdad on Al-Quds Day, Aug. 2, 2013. This day shows the importance of Jerusalem to Muslims.
17 of 32
Shiite pilgrims gather at the Imam Moussa al-Kadhim shrine during the preparations for the annual commemoration of the saint's death in the Shiite district of Kazimiyah in Baghdad, June 3, 2013.
18 of 32
Iraqis enjoy the Eid al-Fitr holiday in a park in Baghdad, Iraq. The three-day Eid al-Fitr Muslim holiday marks the end of the holy fasting month of Ramadan.
19 of 32
Shiites place copies of the Quran on their heads during a ceremony marking the death anniversary of Imam Ali at his shrine in the holy city of Najaf, Iraq, July 30, 2013. Imam Ali was the son-in-law of Prophet Mohammad.
20 of 32
An Iraqi army soldier inspects the damage inside the Abu Bakr Mosque in Baqouba, July 19, 2013. A bomb hidden in an air conditioner ripped through a Sunni mosque during midday prayers killing dozens, extending a wave of violence targeting worshippers during the holy month of Ramadan.
21 of 32
Shiite pilgrims gather at Imam Moussa al-Kadhim shrine to mark his death anniversary in Baghdad's Kadhimiya district, June 4, 2013.
22 of 32
A man begins to clean up the damage at a cafe following a suicide bombing in Balad, 60 miles (80 kilometers) north of Baghdad, Iraq, Aug. 13, 2013. Three blasts including a suicide bomb in a cafe in Balad killed dozens of people in central and western Iraq, officials said. Militants frequently attack Shiite civilian targets in an attempt to undermine the government.
23 of 32
Protesters dance during a demonstration in Ramadi, Iraq, Jan. 24, 2013. Thousands of Iraqi Sunnis massed along a major western highway in a demonstration, intensifying pressure on the Shiite-led government.
24 of 32
Members of the Sabean Mandaeans, a pre-Christian sect that follows the teachings of John the Baptist, take part in a bathing ritual for Yahya Sadiq (c.) on the Tigris river in Baghdad, Iraq, April 22, 2012.
25 of 32
Iranian mourners chant slogans, as they cover themselves with mud, during Ashoura rituals, marking the death anniversary of Imam Hussein, the grandson of Islam's Prophet Muhammad, at the city of Bijar, Iran, Nov. 25, 2012.
26 of 32
A man counts stacks of Iranian rials on a street in Kerbala, south of Baghdad, Iraq, January 23, 2013.
27 of 32
Iraqi women work at a brick factory in Baghdad's southeast suburb of Nahrawan, Iraq, Nov. 13, 2012. The workers work 12 hours a day for about $5 US dollars.
28 of 32
Protesters chant pro-Iraqi Prime Minister Nouri al-Maliki slogans as they carry a huge Iraqi flag during a demonstration to show support for al-Maliki's government, in Baghdad, Iraq, Jan. 12, 2013. Shiite demonstrators support the prime minister.
29 of 32
Mohammed Ali and his sister Madiha Ali stand near their hut in Amarah, southeast of Baghdad, Iraq, Jan. 25, 2013. The Muhsin family chose to live on marshland in southern Iraq when they were displaced from Abu Gharib due to sectarian violence.
30 of 32
A worker adjusts the valve of an oil pipe at West Qurna oilfield in Iraq's southern province of Basra, November 28, 2010. China National Petroleum Corp (CNPC) has emerged as the frontrunner to take over Iraq's West Qurna-1 oilfield from Exxon Mobil, a move that would diminish Western oil influence in Iraq.
31 of 32
Iraqi soldiers watch residents gather in a celebration for the US troops pull out in Falluja, west of Baghdad, Iraq, December 14, 2011.