Why was the United Nations created after World War II?

The United Nations (UN) was established following World War II because the major Allied powers sought to create a new, more effective global organization to manage international affairs and prevent the recurrence of the devastation caused by modern war.1

Although the League of Nations had been created after World War I to ensure international peace, it struggled to arbitrate conflicts successfully. Recognizing these limitations, Allied leaders—led by the United States, the United Kingdom, and the Soviet Union—agreed during World War II to design a successor organization.12

According to the Charter of the United Nations, the organization’s primary objectives are to:
* Save succeeding generations from the scourge of war.3
* Reaffirm faith in fundamental human rights.3
* Establish conditions under which justice and respect for international law can be maintained.3
* Promote social progress and better standards of life.3

By establishing the UN, the international community aimed to create a center where countries could coordinate actions to solve global economic, social, and humanitarian problems while fostering friendly relations based on equal rights and self-determination.3