sentences:  Martin Delany, an African American, in 1854 led the National Emigration Convention in Cleveland, Ohio.He visited Liberia and made plans, largely unrealized, to assist Blacks in relocating there.The Back-to-Africa movement eventually began to decline, but would see a revival again in 1877 at the end of the Reconstruction era, as many blacks in the South faced violence from groups such as the Ku Klux Klan.