Answer:
That statement is True.
Explanation:
The National Terrorism Advisory System Was created by President Josh W Bush in 2002 following the terrorist attack that occurred on 9 September 2001.
During its introduction, the purpose of the alerts was to give emergency warning for the citizens of united states in case there is a terrorist attack in their territory. This system is applicable and operated only by the national defense department in united States. Every other countries have their own system in handling terrorism.