Which was a u. s. response to the terrorist attacks of september 11, 2001?

an attempt to gain united nations intervention

persuading israel to attack al-qaeda in iraq

support of one terrorist group in exchange for its willingness to attack another

military action in afghanistan

Military action in Afghanistan was the United States response to the terrorist attacks of September 11, 2001. The correct option among all the options that are given in the question is the last or the fourth option. On the very date of 7th October 2007, the United States started the war in Afghanistan. The main target of the war was the destruction of Al Qaeda.