what event led to the united states bombing afghanistan on october 7, 2001

The United States bombing of Afghanistan on October 7, 2001 was in response to the 9/11 terrorist attacks carried out by the terrorist group Al-Qaeda, which was based in Afghanistan at the time. The bombing was part of the larger military campaign known as Operation Enduring Freedom, aimed at rooting out Al-Qaeda and the Taliban government that harbored them in Afghanistan.