President Bush in 2002 signed a Unified Command Plan where NORTHCOM came about. The mission of NORTHCOM is to intercept and plan Civil Support and Homeland Defense operations.
They are responsible for protecting their assigned area. NORTHCOM is also part of the (NORAD) North American Aerospace Defense Command with along with their counterpart Canada who watches for any incoming threats by air and sea.
The Department of Defense is also protecting and preventing any attacks on the U.S, its possessions, and territories, in working with NORTHCOM.
Department of Defense administers missions in the military to include missile defense and its boundaries, air patrols and maritime defense.
b) National guard:
The Army National Guard is community-based and reports to the governor of its respective state unless called to protect U.S. domestic interests in times of conflict or natural disaster.
Members of the National Guard hold civilian jobs or attend school while conducting their military training part time.
it's consistency so say you asked somebody to do something and time and time again they provided what you needed there are reliable person so say you are measuring something and it came back the same measurement time and time again That's a reliable measurement and so on
Mores are customs of a society are the things that guides the social and normal way of live of the people in a society. Most mores turns to laws most mores that are violated attracts penalties ,but a more is not like saying " excuse when you need to pass someone" that is why option 3 is not a statement about mores, saying excuse before you pass someone is not a part of mores.