Immediately following the 9/11 attacks

airports issued greater security measures
the U.S. invaded Iran and Iraq
the Taliban stepped down from power
the U.S. killed Osama bin-Laden

Question

Immediately following the 9/11 attacks

 airports issued greater security measures
 the U.S. invaded Iran and Iraq
 the Taliban stepped down from power
 the U.S. killed Osama bin-Laden

anonymous · Answer

A. or B.

anonymous · Answer

It couldn't be D. because Osama was killed about 7 years later.

anonymous · Answer

A. Is your answer it was done by plane crashes if you notice every time you go to airports theres a lot of secrity yet before september 9, 2001 there was less secrity 
Now its like an army in there 
I hope this helps you a bit