Answer:
1.
President George W. Bush expressed his belief that the War on Terror was
a war against al-Qaeda and all terrorist organizations across the world.
2. White House.
3. White House.
Explanation:
1. We should remember that the terrorist organization Al Qeda was the intellectual author and perpetrator of the 9/11 attacks. The US reacted by fighting a war on terrorism that was and had to be global, as terrorist organizations act globally.
2 and 3 The White House was not a target hit by the terrorists on 9/11 in 2001. The other three suggestions correspond to targets or an event that happened on that day.
