setTitle('The Proliferation of Nuclear Weapons'); ?> setMetaDescription('Nobel peace prize, nuclear weapons, peace doves, Nobelprize.org, Nobel, Nobel Prize, peace, nuclear disarmament, proliferation of nuclear weapons, Non-Proliferation Treaty, strategical nuclear warhead, tactical nuclear warhead, flash, game, edutainment, educational game, learning game, school, tutorial '); ?> printHeader(); ?>
Eight countries in the world possess nuclear weapons. Five of them are allowed to, according to the Non-Proliferation Treaty of 1970.
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