Distraction.
In order to effectively listen to another person when they are speaking to you all other distractions should be eliminated so your complete focus and attention is on the person speaking and nothing else. In this case the distraction was the tv. By switching it off Bjorn has eliminated the barrier to effective listening.
ANSWER: (D) or aka the 4th option
EXPLANATION:
On September 11, 2001, 19 militants associated with the Islamic extremist group al Qaeda hijacked four airplanes and carried out su**ide attacks against targets in the United States.
You can also look it up online for more details.
I’m pretty sure it’s supposed to be mortality not morality. How many people died
