The best way to forget history is to rewrite it. And in the rewriting, to carefully delete references to any historical events or circumstances we find uncomfortable. Thus, American history books are totally silent on the matter of these white slaves, mostly of European stock with a great number of Irish, but also English and Scottish, who were kidnapped or otherwise forcibly deported to the US as slave labor.
https://www.unz.com/author/larry-romanoff/