You didn't note "Caucasian" or "Hispanic" -- only "Negro." Why is that?
Because the first two are in common usage and without historical baggage, while the third one is an anachronism nobody under 90 ever uses anymore unless they want to appear ridiculous?
Because the first two are in common usage and without historical baggage, while the third one is an anachronism nobody under 90 ever uses anymore unless they want to appear ridiculous?