What’s the 5 W’s to the 9/11 attacks ?

Who: It is believed that the al-Qaeda is responsible for the 911 attacks

Where: New York City; Arlington County

What: On September 11th, 2001 a terroristic attack occurred in which two planes were flown into the World Trade Center Buildings.

Why: The terrorist group al-Qaeda is responsible for the attacks. Their motive was that we had U.S. troops in Saudi Arabia and sanctions against Iraq.

When: September 11, 2001 8:46 – 10:28 a.m. (EDT)

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Explanation:

option d is correct. corroborated sources of historical evidence   is necessary to validate a claim about an event in history.

historians tend to use written sources, but audio and visual materials as well as artifacts are important objects that supply information to modern historians.

historical sources are usually divided into two categories: primary and secondary sources. depending on the historian's intent, some sources shift their designation. determining what type of sources toimplement, and the level of credibility and reliability of those sources, is a significant step in critical thinking for the historian.

explanation:

i think it would be a