Which international organization was formed in 1920, following World War I, with the aim of promoting international cooperation and achieving peace and security, but was ultimately succeeded by the United Nations?

💡 Explanation:

The League of Nations was established in 1920 as the first intergovernmental organization whose principal mission was to maintain world peace. Although it achieved some successes, it ultimately failed to prevent World War II and was dissolved in 1946, with many of its functions and assets transferred to the newly formed United Nations.