You know very well which one.
And your sarcastic attempt to minimize it only further demonstrates why it's important for it to be brought up whenever a discussion such as this one or one similar to it arises lest some attempt to sweep it under the rug of history.
Well if you wanna get gangster with it then break it down for me if you know so much. What do you know about America and its history? What do you know about slavery and where it happened, and furthermore, amongst which whites did this institution occur?
I already know the answer, but I like to hear (read) it from the horse's mouth.