Answer:
On the morning of September 11, 2001, four airliners were hijacked by members of Al-Qaeda. Of the four planes, one struck the Pentagon, one crashed in a field in Pennsylvania, and the two remaining planes were flown into the Twin Towers in New York City. Claiming almost three thousand lives, this event gave birth to a war and brought about everyday sociological changes for Americans.
Explanation:
hope it helps
Various Communication sources, i'm not really certain i'm tired but Credibility refers to a person's perception of the truth of a piece of information