Change came when Prime Minister Mohammad Mosaddegh, who had vowed to nationalize the oil fields, won a sweeping victory in the 1951 elections. The British weren't going to give up this all ...

and British Secret Intelligence Service (SIS) to overthrow the then-democratically-elected Iranian Prime Minister Mohammad Mosaddegh in 1953.

Historical precedents, such as the U.S. involvement in the coups against Iran’s Mohammad Mosaddegh and Chile’s Salvador Allende, show that regime changes often lead to unforeseen consequences.