The book "The History of American Abolitionism. Its Four Great Eras, Covering the Narratives of the Ordinance of 1787, the Compromise of 1820, the Annexation of Texas, the Mexican War, the Wilmut Proposition, Negro Uprisings, Abolitionist Riots, Slave Rescue, the Compromise of 1850, and the Kansas Struggle" is written by the author F. G. De Fontaine (Felix Gregory De Fontaine). This book examines key abolitionist events and movements in US history, from sweeping reforms to bloodshed. The author examines in detail the periods of struggle for the difference in human rights, outlining the transition from slavery to the seizure of freedom. With the help of literary sources and analysis of historical facts, De Fontaine guides the reader through the tangled paths of politics, emancipation and the struggle for dignity. This book is an essential resource for those interested in American history and the civil rights struggle.