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Why Japan doesn't sign nuclear arms ban treaty

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Japan, the only country to have suffered atomic bomb attacks, has repeatedly called for a global ban on nuclear weapons. Yet it sided with the nuclear powers and NATO in refusing to sign a treaty to ban such weapons during the U. N. General Assembly…
Japan, the only country to have suffered atomic bomb attacks, has repeatedly called for a global ban on nuclear weapons. Yet it sided with the nuclear powers and NATO in refusing to sign a treaty to ban such weapons during the U. N. General Assembly meeting in New York.
The treaty, the first of its kind, was signed Wednesday by 50 countries, just enough for it to take effect. The signatories are barred from developing, testing, producing, acquiring, possessing or stockpiling nuclear weapons.
Here’s a look at what’s behind Japan’s reasoning:
TOKYO UNDER U. S. NUCLEAR UMBRELLA
Japan, as a close U. S. ally, is protected by America’s extended nuclear deterrence, or “nuclear umbrella,” even though Tokyo renounces its own possession, production or entry of nuclear weapons on its turf. That makes it difficult for Tokyo to sign the treaty especially as it steps up its military role amid North Korea’s missile and nuclear threats. Under Prime Minister Shinzo Abe’s hawkish government, the two countries have stepped up bilateral security cooperation.

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