The concept of slavery was dealt with in the 1860's at the cost of hundreds of thousands of American lives. What is not often mentioned is that there were a lot of Negro slave owners here in America. In addition to that, it was Negroes who sold other Negroes into slavery. That is a side issue, but still relevant.
Here is the article on the apology. Here are a couple of paragraphs from the article.
US lawmakers Tuesday offered the federal government's first formal apology for the "fundamental injustice, cruelty, brutality, and inhumanity" of slavery and the legal segregation of African-Americans.
The resolution, passed in the House of Representatives by voice vote, "apologizes to African-Americans on behalf of the people of the United States, for the wrongs committed against them and their ancestors who suffered under slavery" formal segregation laws known as "Jim Crow."
Lawmakers also said they were committed to rectifying "the lingering consequences" of slavery and segregation.
Here is how to listen to my talk show episode on the subject when it came up here in North Carolina last year.