What was a direct result of the september 11 2001 terrorist attack on the united states answer, com?

The result besides many deaths of the workers being hit by the plane and the people who were jumping off the building for suicide was it caused a war. The buildings had caught fire and it took forever to put out, this attack was brutal and killed many civilians. T he response of the U. S. government to the September 11 attacks sparked investigations into the motivations and execution of the attacks, as well as the ongoing War on Terrorism.