Mossadegh's goal of nationalizing Iran’s oil came into effect in the year 1951. By allowing Iran to have full power and control over their prime resource, the AIOC and other European programs participated in an international boycott which eventually caused a deter in Iran’s economy.[11] After Mossadegh's deposition guided by the help from the U.S and Britain, Reza Shah's son and successor Mohammad Reza Pahlavi retained control and used the increased gas prices to expand modernization in Iran.[12]