Which statements about the events of September 11, 2001 are accurate? Choose all answers that are correct.

A. Terrorists flew a hijacked airliner into the White House in Washington, D. C.

B. U.S. Air Force jets shot down two of the four hijacked planes.

C. Osama bin Laden planned the attacks that were executed by al-Qaeda.

D. The terrorists felt justified in carrying out attacks that killed American civilians