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Conflict in Afghanistan
In 2001 there was a war in Afghanistan.
A group called the Taliban had controlled most of the country since 1996 and they were overthrown in November 2001.
The fighting involved British and American armed forces, as well as lots of Afghan fighters from a group called the Northern Alliance.
Why was there a war?
During the time that the Taliban controlled Afghanistan, they allowed an organisation called al Qaeda to have training camps there.
In September 2001, thousands of Americans were killed in the 9/11 terrorist attacks. The United States believed that Osama Bin Laden - the head of al Qaeda - was the man behind these attacks.
There was a lot of international pressure on the Afghan leaders to hand over Osama Bin Laden. When the Taliban didn't do this, the United States decided they would use their armed forces.
In October 2001, the USA began bombing Afghanistan. They targeted Bin Laden's al Qaeda fighters and also the Taliban.
In November 2001, the Northern Alliance took control of the Afghan capital Kabul. They were being helped by the US and other countries that agreed with it, including the UK.
Taliban leader Mullah Omar and Osama Bin Laden were not captured and it's thought they both survived the fighting.
Several thousand troops from the US and other countries remain in Afghanistan, trying to find Taliban supporters who have re-grouped.
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