QUESTION RELATING TO MEASURES TO SAFEGUARD NON-NUCLEAR-WEAPON STATES PAR­ TIES TO THE TREATY ON TIIE NON-PROLIFERATION OF NUCLEAR WEAPONS Resolution 255 ( 1968) of 19 June 1968 The Security Council, Noting -with appreciation the desire of a large number of States to subscribe to the Treaty on the Non­ Proliferation of Nuclear Weapons,42 and thereby to undertake not to receive the transfer from any trans­ feror whatsoever of nuclear weapons or other nuclear explosive devices or of control over such weapons or explosive devices directly or indirectly, not to manufac­ ture or otherwise acquire nuclear weapons or other nuclear explosive devices, and not to seek or receive any assistance in the manufacture of nuclear weapons or other nuclear explosive devices, Taking into consideration the concern of certain of these States that, in conjunction with their adherence to the Treaty on the Non-Proliferation of Nuclear Weapons, appropriate measures be undertaken to safe­ guard their security, Bearing in mind that any aggression accompanied by the use of nuclear weapons would endanger the peace and security of all States, 42 General Assembly resolution 2373 (XXII), annex. l. Recognizes that aggression with nuclear weapons or the threat of such aggression against a non-nuclear­ weapon State would create a situation in which the Security Council, and above all its nuclear-weapon State permanent members, would have to act immedi­ ately in accordance with their obligations under the United Nations Charter; 2. Welcomes the intention expressed by certain States that they will provide or support immediate assistance, in accordance with the Charter, to any non­ nuclear-weapon State Party to the Treaty on the Non­ Proliferation of Nuclear Weapons that is a victim of an act or an object of a threat of aggression in which nuclear weapons are used; 
**Analysis**
The text appears to be discussing international relations and security, specifically the measures to safeguard non-nuclear weapon states that have signed the Treaty on the Non-Proliferation of Nuclear Weapons. It mentions the concerns of these states and the need for immediate assistance in case of aggression, which suggests a focus on international security and diplomacy rather than any of the other categories.

**Category**
International relations, Security