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US-led
defeated the Taliban after the
on the World Trade Center in New York in 2001. Western powers spent 20 years training the Afghan
and police to keep the country
. However, the Taliban never gave up
. The USA and the UK are now pulling
forces out of Afghanistan. They are ending their time in the
after 20 years. The UN's special
for Afghanistan, Deborah Lyons, says the fighting has entered "a new, deadlier, and more
phase". She warned that the country was heading for "
".
