activities organized by civilians for their own protection in time of war or disaster
(military) military action or resources protecting a country against potential enemies
(sports) the team that is trying to prevent the other team from scoring
the justification for some act or belief
the federal department responsible for safeguarding national security of the United States; created in 1947
the defendant and his legal advisors collectively
the speech act of answering an attack on your assertions
not rude; marked by satisfactory (or especially minimal) adherence to social usages and sufficient but not noteworthy consideration for others
