Sometimes called ‘the War Between the States’ or ‘the Second American Revolution’, a conflict in the USA which resolved two great issues: the nature of the Federal Union and the relative power of the states and the central government; and the existence of black slavery.
A trade in Africa which started in ancient times. Slaves were sent across the Sahara and were traded in the Mediterranean by Phoenicians; Graeco-Roman traders in the Red Sea and beyond traded slaves from E Africa to Egypt and the Middle East.
From Britannica concise encyclopedia
Form of entertainment popular in the U.S. in the 19th and early 20th centuries. It originated in the 1830s with the popular white performer Thomas D. Rice, known as “Jim Crow,” who wore the stylized makeup called blackface and performed songs and dances in a stereotyped imitation of African Americans.
From Encyclopedia of Emancipation and Abolition in the Transatlantic World No book published in the United States during the nineteenth century had as great an impact on American politics and society as the antislavery novel Uncle Tom’s Cabin; or, Life Among the Lowly (1852), written by the New England abolitionist Harriet Beecher Stowe in the decade preceding the U.S. Civil War.
In U.S. history, loosely organized system for helping fugitive slaves escape to Canada or to areas of safety in free states. It was run by local groups of Northern abolitionists, both white and free blacks.