BBC: Afghanistan: Has the war cost America $500bn?
The US military has spent billions of dollars since 2001 fighting the Taliban insurgency in Afghanistan.
But the end may finally be in sight for America's military presence in the country if the current talks taking place in Doha between the United States and the Taliban reach a successful conclusion.
Afghan President Ashraf Ghani has said the war has "cost the United States government and society $500bn".
How accurate is this figure and how might it have been reached?
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WNU Editor: This was not a war of choice. So maybe the question should be .... should the U.S. have put a limit on their engagement in Afghanistan after the Taliban and their Al Qaeda allies were driven out. In hindsight .... they should have left right after that happened instead of being engaged in nation building. That decision alone would not have cost the hundreds in billions that were eventually spent.