The Iranian-American historian Abbas Milani wrote about the relationship between the Reza Khan and the Crown Prince: "As his father's now constant companion, the two men consulted on virtually every decision". Later that year British and Soviet forces occupied Iran in a military invasion, forcing Reza Shah to abdicate.

Why did Reza Shah leave Iran?

He reigned from 15 December 1925 until he was forced to abdicate by the Anglo-Soviet invasion of Iran on 16 September 1941. Reza Shah introduced many social, economic, and political reforms during his reign, ultimately laying the foundation of the modern Iranian state.

Did the US support the Shah of Iran?

The Shah received significant American support during his reign, and frequently making state visits to the White House and earning praise from numerous American presidents. The Shah's close ties to Washington and his Modernization policies soon angered some Iranians, especially the hardcore Islamic conservatives.