The best description of the attacks was that the attacks were unexpected by the American public
What were the September 11th attacks?
The September 11th attacks were a group of attacks on America by al-Qaeda terrorists who hijacked commercial airlines and crashed them into the world trade centre resulting unless of thousands of lives as well as property.
The nature of the attack was such that it was unexpected.
Therefore, the best description of the attacks was that the attacks were unexpected by the American public.
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