Is military defense and war a necessity for a society to survive indefinately?

@Kman64 (98)
United States
July 19, 2007 7:03pm CST
I think for a society to actually remain intact, they must defend their society, way of life or else some other country will take them over for the sake of natural resources, money, or the natural evolution of growth. Peaceful nations of the past were swallowed up by powerful threats. I think countries with no defense whatsoever and tries to remain peaceful will not always continue to exist.
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