Tlatelolco) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cessation of all nuclear-test explosions . . . . . . . . . . . . . . . . ..*........ Amendment of the Treaty Banning Nuclear Weapon Tests in the Atmosphere. in Outer Space and under Water . . . . . . . . . . . . . . . . . . . . . . . . . Urgent need for a comprehensive nuclear-test-ban treaty . . . . . . . . . . . . Establishment of a nuclear-weapon-free zone in the region of the Middle East *....................................................... Establishment of a nuclear-weapon-free zone in South Asia . . . . . . . . . . Conclusion of effective international arrangements on the strengthening of the security of non-nuclear-weapon States against the use or threat of use of nuclear weapons . . . . . . . . . . . . . . . . . . . . . . . . Conclusion of effective international arrangements to assure non-nuclear-weapon States against the use or threat of use of nuclear weapons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
**Analysis**
The text appears to be focused on international relations and disarmament, discussing the cessation of nuclear test explosions, the need for a comprehensive nuclear-test-ban treaty, and the establishment of nuclear-weapon-free zones in various regions. The language used is formal and diplomatic, suggesting a focus on international agreements and cooperation.

**Category**
International relations