They attacked because we used there property and to them it was holy property. they planned for years and they claim that their god told them when to do it.
It happened on September 11, 2001. The world trade centers were also previously attacked in 1993.
Terrorists led by Bin Laudin attacked the World Trade Center.
Islam
It was not a country, but a terrorist group - Al-Qaeda - from Pakistan that attacked the World Trade Centers on the morning of September 11th, 2001.
the world trade center was attacked twice one the well known 9/11 and another when terrorists bombed it
The Pentagon was attacked by terrorists as a part of the World Trade Center attacks on September 11th, 2001. The Pentagon was one of the main targets, but the attack was not as successful as the attack on the twin towers.
Terrorists hijacked first the pentagon and world trade centers
4 planes were hijacked 2 crashed into the world trade centers one crashed into the pentagon and the other failed to reach its destination and crashed in a field in Pennsylvania after civilians on board attacked the terrorists.
because two planes were hijacked by terrorists and crashed into the world trade center which killed thousands of people.
Tuesday September 11, 2001
Four, one crashed in Pennsylvania, another in the pentagon, and the last two in the world trade centers.
Muslim terrorists attacked the World Trade Center in New York City to frighten the U.S. population, and it worked.