Answer: A) The Taliban was overthrown.
Explanation: The US invasion of Afghanistan or even known as the American War in Afghanistan, occurred after the terrorist attack on September 11, 2001. The public aims of the US war in Afghanistan, with the help of the US allies, was to disband Al Qaeda and their base by removing the Taliban from power. Thus, with the help of the United Kingdom, America launched the action of Enduring Freedom on October 7, and the forces from the Northern Alliance soon joined them. The Taliban were ousted from power until December 17, 2001.