Slavery Myths Debunked The Irish were slaves too; slaves had it better than Northern factory workers; black people fought for the Confederacy; and other lies, half-truths, and irrelevancies.

http://www.slate.com/articles/news_and_politics/history/2015/09/slavery_myths_seven_lies_half_truths_and_irrelevancies_people_trot_out_about.html