This essay examines the critical relationship between human rights and international relations, focusing on the impact of the Universal Declaration of Human Rights (UDHR) in the aftermath of World War II. The essay highlights the historical context, emphasizing the horrors of WWII and the subsequent need for a global framework to protect human rights. It explores the UDHR's role in promoting peace and justice by addressing the causes of conflict and establishing universal rights. The essay discusses the influence of realism and liberalism on international relations and how the UDHR provides a universal set of rights to states. It delves into specific articles of the UDHR, such as Articles 1, 2, 4, 15, 28, and 30, explaining how they contribute to international relations and prevent future conflicts. The essay concludes by underscoring the UDHR's importance in establishing international standards, ensuring equal rights, and fostering cooperation among nations to prevent situations like WWII.