During its heyday in the nineteenth century, the African slave trade was fueled by the close relationship of the United States and Brazil. The Deepest South tells the disturbing story of how U.S. nationals - before and after Emancipation -- continued to actively participate in this odious commerce by creating diplomatic, social, and political ties with Brazil, which today has the largest population of African origin outside of Africa itself. Proslavery Americans began to accelerate their presence in Brazil in the 1830's, creating alliances there-sometimes friendly, often contentious-with Portug