two planes hit the twin towers with terrorist driving them they crashed into the twin towers on purpose and both of the towers collapsed killing millions and injuring millions lots of people saw it happen and were devastated and it is one of the most tragic things to ever happen in the world the twin towers went straight to the ground the twin towers are located in America
also nine eleven was the second time the united states was attacked leaving people dead
nine eleven was like the pearl harbor all over which of course once again left people devastated and dead and injured