The island of Hispaniola is split by a border that divides the Dominican Republic and Haiti. This border has been historically contested and largely porous. Dividing Hispaniola is a study of Dominican dictator Rafael Trujillo's scheme, during the mid-twentieth century, to create and reinforce a buffer zone on this border through the establishment of state institutions and an ideological campaign against what was considered an encroaching black, inferior, and bellicose Haitian state. The success of this program relied on convincing Dominicans that regardless of their actual color,...