The organization that claimed to be behind the 9/11 terrorist attacks was al-qaeda. what effect did this have on the u. s. response to 9/11?
a. it caused the u. s. to invade iraq within months of the attack.
b. it caused the u. s. to invade afghanistan within months of the attack.
c. it caused the u. s. to invade pakistan within months of the attack.
d. it caused the u. s. to invade iran within months of the attack.