First post war IGO - 1945.
Security Council - 5 permanent members (UK, USA, France, Russia, China - have veto power). 10 other members ranging in size, location and development which change every 2 years.
ICJ - upholds international law.
Prevents and handles conflict by peacekeeping troops, sanctions, war crime trails and aid.
Protects human rights by adopting the UDHR.
2000 and 2015, set targets to tackle poverty, child and maternal mortality and environmental issues.