Original sentence: As of September 2006, the Iraq war remains an ongoing and controversial event, and eradication of the Taliban in Afghanistan remains elusive.On September 11 2001, the United States was attacked by terrorists who destroyed the World Trade Center towers and part of the American defense headquarters, also called 'the pentagon', with hijacked commercial airplanes
Edited sentence: As of September 2006 the Iraq war remains an ongoing and controversial event.On September 11 2001, the United States was attacked by terrorists who destroyed the World Trade Center towers with hijacked commercial airplanes