This is a militant extremist group of sunni jihadists who have resorted to terrorist activities to reach their aims, including 9/11. they were founded by osama bin laden.

Al Qaeda is your answer.

Al Qaeda was under Osama bin Laden and was thought to (as they claimed) to be the instigators of the 9/II attacks.

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wood carving remains today the primary sculptural art form of the sub saharan continent. african art history shows the earliest wooden sculptures from the 17th c are attributed to the kuba, central zaire but the earliest surviving sub-saharan sculpture is a zoomorphic head found in 1928 in central angola.

i hope this .

i think its the outcome of people's preferences.