If you look up 9.2 challenges to the new government quizlet it tells you the answers!!
I just took the quiz and the answer is the United States was the target, but the effects of the 9/11 attack were felt worldwide by countries who lost citizens.
Hope this helps! :)
OK! so i just did this question not too long ago after studying it my answer was "C"
Clara Barton’s work during the civil war led to the formation of the Red Cross