With reference to applicable authorities, differentiate between the mandate, composition and jurisdiction of the following international law institutions and organs: 4.1. United Nations (UN) and the African Union (AU) /10 marks 4.2. International Court of Justice (ICJ) and the International Criminal Court (ICC) /10 marks 4.3. International Law Commission (ILC) and the International Committee of the Red Cross (ICRC) /10 marks 4.4. UN Security Council and the UN General Assembly/10 marks 4.5. African Union Commission (AUC) and the African Commission on Human and Peoples' Rights (ACHPR) /10 marks