Category: World Current Affairs | Last updated: 2026-09-18

For the Comprehensive Nuclear-Test-Ban Treaty (CTBT) to legally enter into force, it requires ratification by a specific list of 44 states, including all permanent members of the UN Security Council. Which two P5 members have *not yet* ratified the CTBT, preventing its entry into force?

A) Russia and China
B) United States and China
C) United Kingdom and France
D) United States and Russia

Explanation

The CTBT requires ratification by 44 specific states listed in Annex 2 for its entry into force. Among the P5, the United States and China have signed but not yet ratified the treaty, along with other key states like India, Pakistan, North Korea, and Israel.

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