Teresa de Santo Domingo, born with the name Chicaba, was a slave captured in the territory known to seventeenth- and eighteenth-century Spanish and Portuguese navigators and slave traffickers as La Mina Baja del Oro, the part of West Africa that extends through present-day eastern Ghana, Togo, Benin, and western Nigeria. Upon the death of her Spanish master, she was freed to enter a convent. The Dominicans of La Penitencia in Salamanca accepted her after she had been rejected by several other monasteries because of her skin color. Even in her own religious community, race put her at a...