Question: Which of the following is required in order for the Security Council to act under Chapter VII of the UN Charter? Need Assignment Help? a. A humanitarian crisis; b. The affirmative vote of all Permanent Members of the Security Council; c. The absence of veto of all Permanent Members of the Security Council; d. The affirmative vote of all Non-Permanent Members of the Security Council; e. An armed attack giving rise to a right of self-defence under Article 51 of the UN Charter.