Which one of the following Articles of the Directive Principles of State Policy deals with the promotion of international peace and security?

1. The question asks to identify the Article within the Directive Principles of State Policy (DPSP), Part IV of the Constitution, that deals with the promotion of international peace and security. 2. Article 51 (Option A) explicitly lays down this objective. It directs the State to endeavour to: (a) promote international peace and security; (b) maintain just and honourable relations between nations; (c) foster respect for international law and treaty obligations; (d) encourage settlement of international disputes by arbitration. 3. Article 48A (Option B) deals with the protection and improvement of the environment and safeguarding of forests and wildlife. 4. Article 43A (Option C) deals with the participation of workers in the management of industries. 5. Article 41 (Option D) deals with the right to work, to education, and to public assistance in certain cases (like unemployment, old age, sickness).