How did the Tehran Conference of 1943 affect Iran’s independence?

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At the Tehran Conference held in 1943, the leaders of the United States, the United Kingdom, and the Soviet Union addressed the status of Iran, which was then under partial Allied occupation.12

During the conference, the Allied leaders issued a declaration on December 1, 1943, that explicitly guaranteed the postwar independence and territorial integrity of the Iranian state. Additionally, the Allies promised to provide Iran with postwar economic assistance. This diplomatic commitment served as a formal recognition of Iran's sovereignty during a period when the country was significantly impacted by foreign military presence and the broader geopolitical pressures of World War II.12