nuclear nonproliferation

Over 100 Nations Sign Nuclear Weapons Ban Opposed By US, Others

UNITED NATIONS (AP) — Nations on Wednesday began signing the first treaty to ban nuclear weapons, a pact backed by over 100 countries but spurned by those with nuclear arms.
The U.N. treaty office said 51 countries are expected to attach their names on the opening day for signatures. Brazilian President Michel Temer was first to sign.
The treaty requires all countries that eventually ratify it not to develop, test, produce, manufacture, otherwise acquire, possess or stockpile nuclear weapons “under any circumstances.