On September 11th, 2001, a terrorist attack was undertaken against the world trade center wherein aircraft were flown into both towers, resulting in a bifold collapse of the structures with many civilians still inside. This, added to the death toll of emergency responders in the wake of the collapse, awoke mass outcry.
The Bush administration responded by starting a "War on Terror" which rages on today, and security measures in transit regions like airports were massively increased in scope.
The United States invasion of Afghanistan occurred after the September 11 attacks in late 2001 and was supported by close US allies. ... US President George W. Bush demanded that the Taliban hand over Osama bin Laden and expel al-Qaeda; bin Laden had already been wanted by the FBI since 1998
Explanation:
The most significant economic impact of the 9/11 attacks was how the increased defence spending led to the U.S. debt crisis. Without the War on Terror, the 2020 debt would be $20 trillion or less. That's $26 trillion total debt, at present, minus $6 trillion
