President George W. Bush addressed a joint session of Congress shortly after the Sept. 11 attacks, vowing to tap "every resource" to fight terrorism. Two days before the speech, he had signed an Authorization for Use of Military Force passed by Congress. WIN MACNAMEE/AFP/Getty Images hide caption

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Afghan war rugs reflect the nation's long history of conflict through one of its most ancient art forms. Courtesy of Kevin Sudeith hide caption

itoggle caption Courtesy of Kevin Sudeith

The poverty in Afghanistan takes a particular toll on children. These youngsters live in a mud-walled home in Kabul's Nasaji Bagrami camp for internally displaced Afghans. In the most dire of circumstances, a parent might abandon or sell a child. David Gilkey/NPR hide caption

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Uzbek President Islam Karimov looks on as Russian President Vladimir Putin, unseen, speaks to the media after talks in Moscow in April 2013. Alexander Zemlianichenko/AP hide caption

itoggle caption Alexander Zemlianichenko/AP

U.S. Gen. John Campbell (left) and Command Sgt. Maj. Delbert Byers open the Operation Resolute Support flag during a ceremony at the International Security Assistance Force headquarters in Kabul, Afghanistan on Sunday. Massoud Hossaini/AP hide caption

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Commander of the International Security Assistance Force (ISAF), Gen. John Campbell opens the "Resolute Support" flag during a ceremony at the ISAF headquarters in Kabul on Sunday. Massoud Hossaini/AP hide caption

itoggle caption Massoud Hossaini/AP

Afghan security personnel inspect a damaged bus at the site of a suicide attack in Kabul, Afghanistan, on Saturday. There was no immediate report of casualties, but the attack was one of several in the last 24 hours that have been blamed on the Taliban. Rahmat Gul/AP hide caption

itoggle caption Rahmat Gul/AP

"When you grow up poor in America, often you feel very invisible, and like you don't have a voice. Just like many Afghans feel." -Kimberly Motley James Duncan Davidson/James Duncan Davidson/TED hide caption

itoggle caption James Duncan Davidson/James Duncan Davidson/TED