What was a significant outcome of the end of the Second World War in 1945?

The establishment of the United Nations is the significant outcome of the end of the Second World War in 1945 because this organization was created to promote international cooperation and prevent future conflicts. The war highlighted the need for a global approach to peace and security, leading to the formal founding of the United Nations in October 1945. The UN aimed to foster dialogue among nations, provide a platform for addressing international issues, and support human rights. This initiative represented a collective effort by the international community to build a framework for peace that could prevent the kind of global conflict that had just occurred during the war.

In contrast, while the detonation of the first nuclear bomb marked a pivotal moment in history, it occurred during the war itself, not as a direct outcome of its conclusion. The division of Germany into East and West and the onset of the Cold War were also significant developments that arose in the immediate post-war context, but they reflected the tensions and conflicts that arose as a consequence of the war rather than a positive initiative for global cooperation. The establishment of the United Nations is the most direct outcome aimed at achieving lasting peace and collaboration among nations.