Which nations administered territorial mandates in the Middle East under the League of Nations?

Under the League of Nations, Britain and France administered territorial mandates in the Middle East. Britain was responsible for the mandates of Palestine and Transjordan, while France administered Syria and Lebanon. These mandates were established following World War I to govern former Ottoman territories until they could attain independence. The mandates were intended to prepare these regions for self-governance but often led to tensions and conflicts.