Correct option is B
China is a member of the Non-Proliferation Treaty (NPT), which was signed in 1968 and entered into force in 1970. The NPT aims to prevent the spread of nuclear weapons and promote the peaceful use of nuclear energy.
Information Booster
China, as a nuclear-armed state, signed the NPT in 1992. The treaty divides nations into nuclear-weapon states and non-nuclear-weapon states, with an aim to reduce nuclear arms globally.
Additional Knowledge
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Israel, North Korea, and India: These countries have not signed the NPT. Israel is a nuclear-armed state but has maintained ambiguity about its nuclear arsenal. North Korea withdrew from the NPT in 2003. India never joined the treaty, arguing that it was discriminatory.