Complex sentence: During this time, he played an important role in communicating U.S. wishes to Mohammad Reza Shah, the second and last Pahlavi king.In the 70's, the U.S. had unusually high military and economic links with Iran.
Split into simpler sentences: During this time, he played an important role in communicating U.S. wishes to Mohammad Reza Shah, the second and last Pahlavi king. The U.S. had unusually high military and economic links with Iran.