Tabla de Contenidos: “…Opening salvo -- In theory and in practice -- Theft on the high seas: Monroe's doctrine -- Parallel latitudes: Oregon's boundaries -- Domestic threat: America's civil war -- Manifesting destiny: defining the nation -- Mission creep: the Venezuelan crises -- Us versus them: the Spanish-American War -- European power: World War I -- Imposing power: the Washington naval accords -- Sharp relief: World War II -- Lessons from a peaceful transition.…”