Considers “how the oppressed became the oppressors“ : 1845 Famine Irish assimilated in America by clambering over African Americans. There's been a glib narrative that the Irish and African Americans shared tribulations, which this book exposes as a fallacy. would recommend if interested in the Irish facets of abolitionism and the often unsettling history of the Irish in America. The writing can be a bit opaque sometime, but persistence pays off.