As a result of the unprecedented and devastating attack of September 11, 2001, upon the people and the vital infrastructure of the United States of America and the possibility that such attacks may be perpetrated in the future by those persons identified as terrorists and other enemies of this country, and in order to ensure that preparations of the United States will be adequate to deal with such events and to generally provide for the common defense and to protect and preserve the life, health, welfare, and property of the people, the federal government as most states have created a Department of Homeland Security.
Departments in charge of enforcing homeland security work on the development, coordination, and implementation of a policy to secure the states from terrorist threat or attack. The term includes efforts to detect, prepare for, prevent, protect against, share intelligence where applicable, respond to, and recover from terrorist attacks.
