Which statements about the events of september 11, 2001 are true? choose all answers that are correct.
a. a hijacked airliner was flown into the u. s. capitol building in washington, d. c.
b. the terrorists who carried out the attacks claimed that killing american civilians was justified.
c. passengers on three of the four hijacked planes managed to overpower the terrorists.
d. osama bin laden and al-qaeda planned and carried out the attacks on the united states.

b. The terrorists who carried out the attacks claimed that killing American civilians was justified.

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

Explanation:

The attacks of September 11, 2001 were a series of four attacks committed on the morning of Tuesday, September 11, 2001, by 19 members of the al Qaeda jihad network, by hijacking commercial aircraft to be hit against various targets, causing the death of 3016 people (including the 19 terrorists and the 24 disappeared) and leaving more than 6000 injured, as well as the destruction in New York of the entire complex of World Trade Center buildings (including the Twin Towers) and serious damage in the Pentagon building (headquarters of the Department of Defense of the United States, in the state of Virginia), episode that would precede the war in Afghanistan and the adoption by the US government and its allies of the policy called "war on terrorism" »

ok sorry the answer is a. by their religion

answer

the statement that best describes president carter’s attempt to free the hostages in iran is c. all of the attempts failed.

explanation

the operation eagle claw conducted by the united states armed forces was a failed mission which aimed to rescue 52 americans captured as hostages in the american embassy, tehran on 24/4/1980.the mission was authorized by president jimmy carter. the failures included;   obstacles in operation that included operational conditions challenges caused by sandstorms, hydraulic problems of one the helicopters and , mechanical failure of another helicopter that was identified as a cracked rotor blade and the crashing of another helicopter during mission abortion causing death of 8 service persons.