 Ramba uchinyora ndima iyi - Pasi pehutongi hwaLyndon B. Johnson, uyo akawana simba mushure mekupondwa kwaJohn F. Kennedy, US yakatora chimiro chakasimba kuLatin America - dzimwe nguva inonzi Mann Doctrine. Muna 1964, mauto eBrazil akakunda hurumendeweMutungamiri João Goulart nokutsigirwa neU.S. Mukupera kwaApril 1965, US yakatumira mauto 22,000 kuDominican Republic nokuda kwokugara kwegore rimwe chete mukupinda muOperation Power Pack, ichitaura nezvengozi yokubuda kwechimurenga cheCuban-style muLatin America. Héctor García-Godoy akashanda semutungamiri wenguva pfupi, kusvikira mutungamiri wekare anochengetedza Joaquín Balaguer akakunda sarudzo dzemutungamiri wenyika dza1966 vachirwisa mutungamiri wekare Juan Bosch. Vashandi veDominican Revolutionary Party yaBosch vakatambudzwa zvine chisimba nemapurisa eDominican nemauto. 