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

Osama bin Laden and al Qaeda planned and carried out the attacks on the United States.

The terrorists who planned and carried out the attack blamed the United States for serious problems in the Arab world.

The cities of New York and Washington, D. C., were targeted by terrorists.

Saddam Hussein and Iraq assisted al Qaeda in the terrorist attacks.