President Carter withdrew US support from the country of Nicaragua during a leftist rebellion. Nicaragua was being led by a dictator.
The dictator who was running Nicaragua when President Carter withdrew the support was Anastasio Somoza, Jr. Previous American presidents did support the rule of the dictators of Nicaragua.
Anastasio Somoza DeBayle was the Nicaraguan dictator as well as President of Nicaragua from 1 May 1967 to 1 May 1972 and from 1 December 1974 to 17 July 1979.