United States hostage crisis

For several decades before that, the United States had allied with and supported the Shah. During World War II, Allied powers Britain and the Soviet Union occupied Iran to force the abdication of first Pahlavi monarch Reza Shah Pahlavi, in favor of his eldest son, Crown Prince Mohammad.the Muslim Student Followers of the Imam’s Line demanded that Shah Mohammad Reza Pahlavi return to homeland for trial and execution.