To deny the right of the plaintiff in regard to (the suit, orthe wrong charged); to oppose or resist, as a claim at law; tocontest, as a suit. Burrill.
In America this means terminating anyone and everyone for their own personal security, even if it meant the entire world would be destroyed. It's also common to attack weak countries that could possibly stand up against them in certain ways, or for national benefit.
And then call it Defending
This can also be described as: Fighting
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