War_Conflict

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Canadian soldiers stand in a crater pocked field at the WWI Canadian National Vimy Memorial in Givenchy-en-Gohelle, France on Friday, April 7, 2017. Commemoration ceremonies will take place on Sunday at the memorial to honor Canadian soldiers who were killed or wounded during the Battle of Vimy Ridge in April 1917. (AP Photo/Virginia Mayo)

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Canadian soldiers and Mounted Police practice marching at the WWI Canadian National Vimy Memorial in Givenchy-en-Gohelle, France on Friday, April 7, 2017. Commemoration ceremonies will take place on Sunday at the memorial to honor Canadian soldiers who were killed or wounded during the Battle of Vimy Ridge in April 1917. (AP Photo/Virginia Mayo)

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In this file photo, Canadian soldiers practice marching at the WWI Canadian National Vimy Memorial in Givenchy-en-Gohelle, France on Friday, April 7, 2017. (AP Photo/Virginia Mayo) **FILE**

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Two Canadian Mounted Police ride their horses toward the WWI Canadian National Vimy Memorial in Givenchy-en-Gohelle, France on Friday, April 7, 2017. Commemoration ceremonies will take place on Sunday at the memorial to honor Canadian soldiers who were killed or wounded during the Battle of Vimy Ridge in April 1917. (AP Photo/Virginia Mayo)

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Black boots with a red poppies, representing the fallen, are placed on a wall and the ground at the WWI Canadian National Vimy Memorial in Givenchy-en-Gohelle, France on Friday, April 7, 2017. Commemoration ceremonies will take place on Sunday at the memorial to honor Canadian soldiers who were killed or wounded during the Battle of Vimy Ridge in April 1917. (AP Photo/Virginia Mayo)

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Canadian soldiers practice marching in front of black boots, representing the fallen, at the WWI Canadian National Vimy Memorial in Givenchy-en-Gohelle, France on Friday, April 7, 2017. Commemoration ceremonies will take place on Sunday at the memorial to honor Canadian soldiers who were killed or wounded during the Battle of Vimy Ridge in April 1917. (AP Photo/Virginia Mayo)

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Canadian soldiers and Mounted Police practice marching at the WWI Canadian National Vimy Memorial in Givenchy-en-Gohelle, France on Friday, April 7, 2017. Commemoration ceremonies will take place on Sunday at the memorial to honor Canadian soldiers who were killed or wounded during the Battle of Vimy Ridge in April 1917. (AP Photo/Virginia Mayo)

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Canadian soldiers stand in a line in front of a black boot with a red poppy, representing the fallen, at the WWI Canadian National Vimy Memorial in Givenchy-en-Gohelle, France on Friday, April 7, 2017. Commemoration ceremonies will take place on Sunday at the memorial to honor Canadian soldiers who were killed or wounded during the Battle of Vimy Ridge in April 1917. (AP Photo/Virginia Mayo)

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Canadian soldiers and Canadian Mounted Police practice marching in front of black boots, representing the fallen, at the WWI Canadian National Vimy Memorial in Givenchy-en-Gohelle, France on Friday, April 7, 2017. Commemoration ceremonies will take place on Sunday at the memorial to honor Canadian soldiers who were killed or wounded during the Battle of Vimy Ridge in April 1917. (AP Photo/Virginia Mayo)

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Canadian Mounted Police practice marching in front of black boots, representing the fallen, at the WWI Canadian National Vimy Memorial in Givenchy-en-Gohelle, France on Friday, April 7, 2017. Commemoration ceremonies will take place on Sunday at the memorial to honor Canadian soldiers who were killed or wounded during the Battle of Vimy Ridge in April 1917. (AP Photo/Virginia Mayo)

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FILE - In this July 11, 2016, file photo, visitors at a makeshift memorial outside the Pulse nightclub, the day before the one month anniversary of a mass shooting, in Orlando, Fla. The FBI has been reviewing the handling of thousands of terror-related tips and leads received over the last three years to make sure they were properly investigated and that no obvious red flags were missed, The Associated Press has learned. It follows attacks by people once on the FBI’s radar but who in the last 12 months are accused of massacring innocents in an Orlando nightclub, injuring people on the streets of New York, and gunning down travelers in a Florida airport. (AP Photo/John Raoux, File)

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Women arrive to lay down flowers near the department store Ahlens following a suspected terror attack on the Drottninggatan street in central Stockholm, Sweden, Saturday, April 8, 2017. A Swedish prosecutor says a person has been formally identified as a suspect "of terrorist offenses by murder" by driving a hijacked truck into a crowd of pedestrians. (AP Photo/Markus Schreiber)

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A woman weeps near the department store Ahlens following a suspected terror attack on the Drottninggatan street in central Stockholm, Sweden, Saturday, April 8, 2017. A Swedish prosecutor says a person has been formally identified as a suspect "of terrorist offenses by murder" by driving a hijacked truck into a crowd of pedestrians. (AP Photo/Markus Schreiber)

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A street is cordoned off near the department store Ahlens following Friday's suspected terror attack in central Stockholm, Sweden, Saturday, April 8, 2017. Swedish Prime Minister Stefan Lofven says everything indicates a truck that has crashed into a major department store in downtown Stockholm is "a terror attack." (AP Photo/Markus Schreiber)

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A concrete traffic stopper called "Stockholmslejon" lays on its side outside the cordoned off area next to the department store Ahlens following a suspected terror attack on the Drottninggatan Street in central Stockholm, Sweden, Saturday April 8, 2017. A hijacked beer truck plowed into pedestrians at a central Stockholm department store on Friday, killing several people, wounding many others and sending screaming shoppers fleeing in panic in what Sweden's prime minister called a terrorist attack. A nationwide manhunt was launched and one person was arrested following the latest use of a vehicle as a weapon in Europe. (Jonas Ekstromer/TT News Agency via AP)

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A street is cordoned off near the department store Ahlens following Friday's suspected terror attack in central Stockholm, Sweden, Saturday, April 8, 2017. Swedish Prime Minister Stefan Lofven says everything indicates a truck that has crashed into a major department store in downtown Stockholm is "a terror attack." (AP Photo/Markus Schreiber)

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A family lays down flowers near the department store Ahlens following a suspected terror attack on the Drottninggatan Street in central Stockholm, Sweden, Saturday, April 8, 2017. A Swedish prosecutor says a person has been formally identified as a suspect "of terrorist offenses by murder" by driving a hijacked truck into a crowd of pedestrians. (AP Photo/Markus Schreiber)

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Police control the area near to the scene following a suspected terror attack in central Stockholm, Sweden, Saturday, April 8, 2017. A Swedish prosecutor says a person has been formally identified as a suspect "of terrorist offences by murder" by driving a hijacked truck into a crowd of pedestrians and crashing into a department store on Friday. (Anders Wiklund / TT via AP)

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FILE - In this Sunday Jan. 6, 2013 file photo, a Syrian rebel tank is hidden among the trees on the frontline of the ongoing battle for the military airport in Taftanaz, Syria. A U.S. missile attack on Friday, April 7, 2017 has caused heavy damage to one of Syria's biggest and most strategic air bases, used to launch warplanes to strike opposition-held areas in central, northern and southern Syria. (AP Photo/Mustafa Karali, File)

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This November 1941 photo provided by Cecilia Gaerlan is a government identification picture of her father, Luis Gaerlan Jr., when he was drafted. He was later a survivor of the Bataan Death March. Cecilia Gaerlan has helped organize an event at San Francisco's Presidio, Saturday, April 8, 2017, that will honor the mostly Filipino soldiers in World War II who held off Japanese forces in the Philippines for three months without little of food or ammunition until they surrendered. (Courtesy of Cecila Gaerlan via AP)