NAACP

I did it all the time in school. Everyone just laughed. In fact, I remember my whole biology class having a day where we just made fun of different races in the form of harmless jokes. No one got pissy or anything. I wish the world worked that way at least 1% of the time.

By the way, slavery was over a very long time ago. By the rules of time and space, it was declared funny many decades ago.

You're white, you don't really have a say in what determines others feelings. Especially those of other races.

Also I'm going to guess nearly everyone you talked about who laughed was not apart of the race you talked about.