In this episode of CSS Breakdown: Book by Book, Season 09, Episode 09, we navigate Chapter 9 of Norman Lowe's Mastering Modern World History (Fifth Edition). We explore the United Nations Organization (UNO), tracing its origins as a replacement for the League of Nations and examining its ambitious aims to preserve peace, promote economic and social progress, and protect human rights. This episode breaks down the UN's complex structure, detailing the functions of its seven main organs, including the powerful Security Council and its controversial veto system. We'll analyze the UN's mixed record in peacekeeping efforts, reviewing significant successes like the Suez Crisis and the Iran-Iraq War, alongside considerable challenges in situations such as the Hungarian Rising, Somalia, and the 2003 Iraq War. Beyond conflict resolution, we delve into the UN's vast and impactful non-political work, highlighting critical specialized agencies like the World Health Organization (WHO), UNICEF, and the Human Rights Commission, which address global health, development, child welfare, and humanitarian crises. Finally, we assess the enduring weaknesses and criticisms facing the organization, including funding issues, the lack of a permanent UN army, and its evolving, often challenging, relationship with global superpowers.