Why did they attack the Twin Towers?

They have also aligned themselves with and inspired other terrorist groups who have carried out attacks, including the 2002 Bali bombing, the 2004 Madrid train bombing, the 2005 London bombings, and the 2008 Mumbai terrorist attacks, among many others. read more

Because the Twin Towers were the heart of the American Economy and Al Qaeda believes that the American Government is supporting Israel with money to kill the innocent muslim's in Palestine, thats why they chose the World Trade Centre. read more

A total of 2,996 people were killed in the 9/11 attacks, including the 19 terrorist hijackers aboard the four airplanes. At the World Trade Center, 2,763 died after the two planes slammed into the twin towers. read more