Treaty on the Non-Proliferation of Nuclear Weapons

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Treaty on the Non-Proliferation of Nuclear Weapons

World map titled “Status of World Nuclear Forces” with legend: gray (0), light yellow (1–100), orange (100–200), dark orange (200–300), dark red (4,000–4,500).

Treaty on the Non-Proliferation of Nuclear Weapons: Media

international agreement

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Treaty on the Non-Proliferation of Nuclear Weapons

Treaty on the Non-Proliferation of Nuclear Weapons

British Foreign Secretary Michael Stewart (third from right) signing the Treaty on...

© AP/IAEA

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World map titled “Status of World Nuclear Forces” with legend: gray (0), light yellow (1–100), orange (100–200), dark orange (200–300), dark red (4,000–4,500).

Status of world nuclear forces

World map showing estimated nuclear weapon counts by country using a color scale...

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