Completed the following sentence: Henderson returned to the Middle East in 1951 as Ambassador to Iran. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ U.S. was opposed to the nationalization, and he helped orchestrate the 1953 CIA-assisted
coup qui a destitué Mossadegh, un leader élu démocratiquement.