US intervention in Iran in the 1950s

In 1953, the United States and Britain helped overthrow Iran’s prime minister, Mohammad Mossadegh, and strengthened the rule of the shah. The shah’s increasingly authoritarian government and close ties to the United States fueled resentment that contributed to the Iranian Revolution of 1978–79. Thus, the intervention helped lead to the Islamic revolution; it did not inspire democratic elections or continued U.S. support for Iranian nationalists.

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